www.science.dmoz2007.org

Operated by the Association of Universities for Research in Astronomy (AURA), Inc. Includes survey programs data archive, and links to other data collections.
Allows reproduction, authorship of derivative works, and other transformations of the original work strictly for personal, non-profit non-commercial non-retail use without further permission, subject to the second paragraph under II.B. and the General Conditions section stated above. Some examples of personal, non-profit non-commercial non-retail uses are downloading images for personal posters or screensavers or as gifts for friends and relatives..If further information or assistance is needed,

This postage Stamp server for NRAO/VLA Sky Survey (NVSS) returns radio images of the sky in FITS or JPEG format.
And contrast is recommended. FITS files contain the full range of values in the correct physical units..Web browsers use external viewers to display files like FITS images which they do not understand. In order to invoke an external viewer, it is necessary to associate a particular viewer with a particular MIME type. The NVSS postage stamp server can return a FITS file with the MIME type of image x-fits, your browser needs to be told a suitable display program for FITS files. There are a number

Explores astronomy, the universe, the Hubble telescope, the solar system, and astronomy history. Offers news, images, articles, and links.
Afghanistan and Iraq to receive the Medal of Honor, the White House announced Friday. President Barack. Read More.CAIRO (AP) Far from the din and controversy roiling interfaith relations in the West, Muslims worldwide thronged mosques, cafes and parks Friday in a solemn and joyful end to the fasting month of Ramadan. Authorities increased security in some countries due to fears that violence could on. Read More.WASHINGTON (AP) Work hours would be shortened for pilots who fly at night while some

A list of the personal web pages of professional astronomers from around the world. Extensive.

PDS archives, and distributes digital data from past, and present NASA planetary missions, astronomical observations, and laboratory measurements. Contains data and services, educational resources, an
For complete details, see the Proposers Archiving Guide (PDF) and the Information for Proposers Presentation (PDF)..Your mission or data analysis proposal must contain information about how you plan to archive your results into the PDS. Typical AO& ,s require that proposals include a discussion of products to be delivered to PDS and that budgets include appropriate funding for this activity. PDS personnel are also available to answer archive design questions from proposal teams on a confidential

Contains student research projects, astronomical data, radio observatories, and history.
With the Anglo-Australian Observatory. This research is part of a larger multi-wavelength study of the cluster being undertaken by Dr Johnston-Hollitt and her collaborators..This year see the second installment of UTas telescopes playing a support role to space missions. The first was the crucial participation of the University radio telescopes at Cambridge, Tasmania and Ceduna, South Australia in the Doppler Winds Experiment conducted as part of the Huygens probe mission to Saturn largest moon

UK organization promoting astronomy, geophysics, and planetary science.
Image, map and analyse Vesta in great detail, with scientific goals that include confirming the presence of a metallic core. CONTACTS Stuart Wolpert, UCLAStuart WolpertTel + 1 (310) 206 0510Email This e-mail address is being protected from spambots. You need JavaScript enabled to view it Dwayne BrownNASA Discovery ProgramTel +1 (202) 358 1736Email This e-mail address is being protected from spambots. You need JavaScript enabled to view it Dawn mission home page http dawn.jpl.nasa.gov.18 July

Creates, and maintains software to process and archive data from optical telescopes at the Oak Ridge Observatory in Harvard, Massachusetts, Whipple Observatory, and Multiple Mirror Telescope on Mt. Ho
On the left..

Offers data, cross-identifications, observational measurements, and bibliography for celestial objects outside the solar system including stars, galaxies, and nonstellar objects within our galaxy, or
SIMBAD can be queried by object name, coordinates and various criteria. Lists of objects and scripts can be submitted..Every bibcode is a link to the underlying bibliographic information, either at CDS, at ADS, or at the journal site when available. Links to the full text of paper are available in most cases. For articles containing tables stored at CDS, the reference provides also a link to the table or catalogue..SIMBAD on the Web has all the functionalities provided by XSimbad, after the

A survey that maps one-quarter of the entire sky, determining the positions and absolute brightnesses of more than 100 million celestial objects.
A mosaic showing 36 of the the 500+ Type Ia supernovae discovered by the Sloan Supernova Survey. Each image is centered on the supernova, which usually stands out as a bright point near or within the galaxy that hosts it. The light of the supernova, powered by the thermonuclear explosion of a single white dwarf star, can outshine that of the tens of billions of stars in its host galaxy. Type Ia supernovae have a constant intrinsic luminosity (after a correction based on the time over which their

Contains solar data, and images. Includes SDAC Data-Finder, current solar images, and TRACE analysis guides.

Contains astronomy resources, space data archives, visitor information, and research opportunities.
Empowers the astronomy community to produce new scientific discoveries and brings the benefits of this research to the public. We make the best astronomical facilities productive for the largest number of scientists, and we promote new missions with the greatest potential for unlocking the secrets of the universe. We have a first rank astronomy research staff, which itself is engaged in forefront astronomical research, a first rank technical staff to develop and maintain the innovative systems

Provides simultaneously queries, and many astronomical databases. Includes input target coordinates or name, data type, source, and bandpass.

Provides images, and catalogues of the southern sky in three colours. Includes access to digitised images, and the data derived from SuperCOSMOS scans of photographic Schmidt survey plates.

Data information, and instrument documentation from the Arecibo optical facility.

Data center that is part of the Cambridge Astronomy Survey Unit providing a selection of data from the UK's ground based telescopes. Includes archives, and catalogs.

Provides a search tool for the Chandra X-Ray Observatory secondary data products archive.

Mapping interface that will integrate powerful Geographic Information Systems (GIS) graphical, statistical, and spatial relational tools for analyses of planetary datasets.
Calculate Geodesic Areas Length (ArcMap Plug-in, prelim. Instructions PDF).

Provides a low frequency sky survey of discrete sources obtained in the Institute of Radio Astronomy of the Ukrainian National Academy of Sciences. Images from the UTR-2 radio telescope at a number of

Faint images of the radio sky at the wavelength of 20 centimeters.
The southern Galactic cap equatorial stripe to produce a deeper catalog in that area, with a typical flux density detection threshold of 0.75 mJy. This version of the catalog has a modified format. The sidelobe flag has been replaced by a new sidelobe probability, which gives a considerably more accurate assessment of whether a source is likely to be spurious or not. There are various other changes as well, including information on counterparts from the SDSS, 2MASS and GSC2 catalogs. We have

Features images of Nebulae organized by Bill Arnett. Includes glossary, image list, and sources.
Projects at individual chapters. Please donate , or even 0 today! Interested in donating more? Know others who would be interested in donating to the fund? Please contact the SEDS Vice Chair to discuss a more substantial donation. Want to make an in-kind or material donation? SEDS welcomes support from other companies, organizations or individuals, please contact the SEDS Chair to discuss possible collaborations, in-kind or material donations. Contact us directly if you would like your

Devoted to promoting welding and related processes, and to supporting all those who contribute to the industry, with links to related sites and services.
The requested page (c3holder) was not found. You can return to browsing our catalog, if you wish..The requested page (soudokay) was not found. You can return to browsing our catalog, if you wish..The requested page (millerarcarmor) was not found. You can return to browsing our catalog, if you wish..The requested page (c2holder) was not found. You can return to browsing our catalog, if you wish..

Quarterly online magazine with information about the latest process and product technologies. Past issues available. From Miller Electric Mfg.
Six weeks..If you find these articles helpful, subscribe to our free PowerClick eNewsletter. You& ,ll get valuable welding and application articles, as well as keep up-to-date on new products, special offers and events. PowerClick is delivered about every six weeks..

Customer support and training, technical hot line, help on welding.

Serve the welding industry, and help maintain the publics safety through the administration and issuance of certifications and accreditations in welding, or inspection and testing.

A non-profit engineering and technology resource organization serving the welding and joining needs of industry. Expertise in processes from arc welding to adhesive bonding and materials ranging from

Committed to helping individuals develop marketable welding skills through quality training at minimum cost.
Program and or add support to an existing program. Upon completion of this course, the student should be able to assist in implementing the inspection technique or techniques that will best suit the company& ,s needs..May 24, 2011 A new full-color poster displaying the Spark Testing of Metals has been released by Hobart Institute. This is a great addition to the wall in any classroom or shop. You may order this for .50 (plus shipping) online -.

A national resource committed to developing, deploying and disseminating materials joining technology to the U.S. Navy, its contractors, and U.S. industry.

A basic tutorial on how the magnetic pulse system works.

Information about the quality control of resistance welding using non-destructive evaluation, statistical process control and adaptive control systems. Resistance welding literature, troubleshooting i

Develops computer models and new experimental tools to solve materials processing problems, especially the application of transport phenomena to quantitatively understand metals processing, particular

List of resources and suppliers.

Industry organization with database on welding processes, properties of welded joints, weldability of materials and other allied technologies. Case studies from many industrial area. Software, FAQs an
The impressive internal training programme and extensive opportunities for learning. Operating in a diverse market across a range of industry sectors and technologies, we have a variety of challenging opportunities and career choices on offer for individuals within a wide range of technology groups and other key business areas. We are particularly interested in employing graduate and post-graduate engineers and scientists, technical lecturers and instructors, in addition to professional and

Technical, scientific, magazine covering welding, cutting and soldering technology and related fields.

Technical support forums and mutual help system for engineering professionals.
..DESCRIPTION Welding, Bonding Fastener engineering technical support forum and mutual help system for engineering professionals. Selling and recruiting forbidden..All rights reserved.Unauthorized reproduction or linking forbidden without express written permission... with companys cutting back on training, lack of true support by makers of software, the forums are a great tool in your cyber-toolbox. ..The WTIA was formed in 1989, and has 350 member companies and 1,500 personal members. The

The history, uses and the economics of welding rod extensions.
Your web address is memorable and uniquely your own..

Some useful links to various welding sites. Some technical information.

Welding and joining technology support centers for Australian industry.
Further feedback for their improvement is encouraged. A questionnaire for return of comments to the WTIA is included at the end of each Technical Guidance Note, or email.Welding Technology Institute of Australia A.C.N. 003 696 526 Unit 50, 8 Avenue of the Americas, Newington, NSW 2127 Tel + 61 2 9748 4443 Fx + 61 2 9748 2858 You can reach us on E-mail.

Conducting research on energy-environment-climate issues in Asia. Objectives include mitigation of greenhouse gases and other hazardous emissions. Centered in Bangkok, Thailand.

California Energy Commission compilation of information about losses of birds due to collisions with power lines, towers, wind turbines, and other structures, and from electrocution by power lines.
Please note that our database is updated each Monday. So, reports that have gone on line during the week will not be listed until the following Monday..Please note that our database is updated each Monday. So, reports that have gone on line during the week will not be listed until the following Monday..Please note that our database is updated each Monday. So, reports that have gone on line during the week will not be listed until the following Monday..Avian interactions with utility structures

Provides coal and power industries with sound coal quality and utilization services through classes, seminars, and training. Offers articles, publications, and stories.

Wyoming group concerned with protecting ownership and lease rights, preventing waste or damage to natural resources, providing safe working and living environments, and other aspects of coalbed methan

Provides confidential assistance to businesses to improve productivity, increase energy efficiency, and achieve and maintain environmental compliance.

Information on how the Québec government and its partners develop, distribute and manage natural resources, in particular hydro-electricity and new forms of energy such as solar and wind energy.

Energy planning, alternative fuels, geothermal, energy conservation, energy efficient housing, and heat pumps.

articles, events, software, and web resources for energy and renewable energy.
Read moreByJulien Attiogbe, Y. Desnoyers, Nicolas Jeannee,..Read moreByHeather M. Murphy, Edward A. McBean, Khosrow..Read moreByHeather M. Murphy, Edward A. McBean, Khosrow..

EPA site to supply information on clean energy programs. Home of Power Profiler and eGRID.
Data in new, creative ways. Deadline is September 16. How to get started Watch the video..If you do not see a link above or your browser does not support the above link, use the comments page to describe your problem to the EPA& ,s Internet Support. When contacting us, please include the following information.If you do not see a link above or your browser does not support the above link, use the comments page to describe your problem to the EPA& ,s Internet Support. When contacting us, please

Information on "green energy" sources, energy-related emissions and their environmental impacts, and economic benefits of emissions reductions.
Event holders undertake emissions footprinting projects to understand, and then reduce their event environmental impacts on climate change and air quality.Reducing all types of emissions is important. Carbon dioxide (CO2) and other greenhouse gases, nitrogen oxides (NOx), sulfur dioxide (SO2), and particulate matter (PM2.5 and PM10) are only some of the harmful substances caused by the combustion of fossil fuels. Because each of these types of pollution causes its own set of environmental and

Policy analyses on several topics related to energy technology and the environment.
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Essays on various topics related to energy and the environment. One essay argues that sensationalization of threats from nuclear power has created a public phobia similar to the irrational fear of dra

Information and analysis on environmental aspects of photovoltaic (solar electric) technology, including concerns about heavy metals in solder. Funded by the U.S. Department of Energy.
Technology organization.One of ten national laboratories overseen and primarily funded by the Office of Science of the U.S. Department of Energy (DOE), Brookhaven National Laboratory conducts research in the physical, biomedical, and environmental sciences, as well as in energy technologies and national security. Brookhaven Lab also builds and operates major scientific facilities available to university, industry and government researchers. Brookhaven is operated and managed for DOE& ,s Office

A site dedicated to energy and environment in India. An exhaustive information on all forms of renewable energy and energy efficiency, energy policies, news, newsletters, and articles.

Information and analysis on the human and environmental impacts of hydroelectric projects and other energy technology, dam safety, integrated resource planning, and other topics. Includes comparative
Board (KSEB) defaulted on taking regular readings and publishing the data. There is also no indication of sufficient preparedness from the part of the Board for emergency measures such as the opening of the spillways. According to the expert committee, the spillways at Idukki do not have the capacity to handle even the probable maximum flood (PMF) discharge from Mullapperiyar not to speak of a breach of the Mullapperiyar dam. The PMF of Mullapperiyar basin is 6003 cumecs while the maximum

A consultancy company that promotes the use of Plasma Gasification for waste disposal and power generation. Describes what it is and how it works.

Environmental consulting firm of engineers and economists performing studies on renewable energy development, climate change topics, and other aspects of energy and environment, in Canada and internat

non-profit charity which promotes solar rural electrification and energy self-sufficiency in developing countries.
Fields of energy efficiency and renewable energy sources from all over the world. SELF is pleased to announce that our project partner, the Vietnam Women& ,s Union, was awarded with the 2002 prize..The Green Cross Millennium Awards, established in 1996, recognize and herald those who embody the mission of fostering a global value shift toward a sustainable future. The Solar Electric Light Fund (SELF) received a prestigious Millennium Award in recognition of its work to develop energy

Lists innovative uses of solar energy used around the planet.
Erreur la ressource est introuvable. (http fr.wikipedia wiki Erreur_HTTP_404) (English version http en.wikipedia wiki HTTP_404).L erreur 404 est un code d erreur dans le protocole HTTP. Ce code est renvoy par un serveur HTTP pour indiquer que la ressource demande (gnralement une page web) n existe pas. Certains navigateurs web affichent alors le message 404 File Not Found (de l anglais signifiant fichier non trouv) destination de l internaute. Le premier 4 indique une erreur dans la requte, ici

A non-profit, scientific and policy research organization, working in India and globally in the fields of energy, environment and a whole range of sustainable development issues.

The Termal Energy Group at the Norwegian University of Science and Technology (NTNU) carry out scientific research and education within conversion of natural gas, oil and solid fuels to mechanical wor

Examines benefits and costs of energy use, and promotes energy technologies that are renewable, safe, and cost-effective.
Navigation..During our last site redesign, some addresses may have changed. Please try using the search below, or looking through our program areas in the left-hand navigation..During our last site redesign, some addresses may have changed. Please try using the search below, or looking through our program areas in the left-hand navigation..During our last site redesign, some addresses may have changed. Please try using the search below, or looking through our program areas in the left-hand

Conducts research and develops technologies for mitigating environmental effects of energy technologies. Includes information on coal, ash, heavy oil refining, alternative fuels, spill remediation, an
Research engineer for Elf Research Center, and following the Total Fina Elf mega merger participated in the organization of the Total Bitumen division between 2001 and 2004.He has authored, coauthored and presented more than 70 papers and articles in international congresses and journals such as Fuel, Nature, Materials and Structures, and Journal of Rheology. He is the inventor or co-inventor on more than 20 international patents. His vast experience in transportation issues and materials will

Discusses incandescence and luminescence and provides table of compounds used to produce firework colors. Links to related sites included.
But it wasn t because of the chlorine. Do you know the cause of green swimming pool hair?.is Jocelyn Bell Burnell& ,s birthday. She is an Irish astrophysicist who discovered the first four pulsars. She was a doctoral student under Antony Hewish who built a radio telescope array on 4 1 2 acres of English countryside. Miss Bell was put in charge of the operation of the telescope and the analyzing of the data it collected. She was originally looking for quasars, but found a repeating radio source

APA is trade association of the United States of America
Fireworks..This Fourth of July season, the PSA will be shown on broadcast and cable television throughout the United States. This distribution is part of a joint safety partnership with the National Association of Broadcasters..It was filmed on location in China Grove, Texas. Without the generous support of Alamo Fireworks and the China Grove Volunteer Fire Department, a successful production would not have been possible..American Pyrotechnics Association P.O. Box 30438 * Bethesda, MD 20824

A source of information and interest to people interested in the operation, and construction of fireworks and pyrotechnic devices.

Bob Weaver explains the classification codes.

The Society for International Pyrotechnicians. Each year the IPS organises a symposium.

International Pyrotechnics Seminar USA, Inc.
David R. Dillehay. The Board of Directors has elected the following slate of officers to oversee the US Seminars..IPSUSA Seminar the week of 10-15 June 2012 to be held in Denver, Colorado, USA in 2012. If you have any inquiries, please direct them to Dr. David R. Dillehay at dillehay@cobridge.tv or PH (903) 935-3930 or FAX (903) 935-9422..Last Modified 6 24 2011.IPSUSA Seminars, USA, Inc. - A non-profit corporation.

Manufacturer and supplier of civilian and military pyrotechnics, marine distress signals and sea search and rescue equipment including EPIRB's.
Countermeasures specific elements ..

Worldwide membership organization dedicated to the advancement of safety, skill, and artistry in pyrotechnics. For all ages, both professionals and amateurs.
Eligibility to serve as an officer. Applicants must be at least 18 years old. Each household must receive at least one copy of the Bulletin..Dues are for new members. Dues for renewing members are before March 1st and afterward. These members have voting right but, will not receive the Bulletin. Anyone that is at least 18 years old in a household that receives the Bulletin may choose this membership option..Dues are for new Junior members. Renewals are before March 1st and

How much of a pyro are you? Take this test to find out.

History of fireworks, safety tips, pyrotechnics glossary, forum, chat room, and tips for putting on your own display.

Stories about pyrotechnics, experiments, photo galleries.

Information about the Andromeda Galaxy with descriptions and pictures.
Note These objects tend to be extremely distant from Sol, in space and even time. Many are also extremely large, massive, dense, energetic, ancient, or young. All have been estimated to be over 100 light-years (ly) -- or 30.7 parsecs (pc) -- away. Most are at least 1,000 ly (or 306.6 pc) away..

Summarizes the catalog of 338 peculiar galaxy views gathered by Dr. Halton C. Arp.

Contains information and tables about the Andromeda Galaxy.

Includes pictures and a lesson for learning Hubble's system of classification.

Contains over 600 pictures of all spiral galaxies larger than 3 minutes of arc for all constellations in the Northern and Southern celestial hemispheres.

Determining the distances to nearby galaxies.

HST and ISO Results.
Behind it that it becomes hard to detect. As several people have pointed out, 21-cm radio observations might be able to detect it on the far side, but the feature is so small that it will be a challenge to do even with the VLA. From the length of the matter ribbon these galaxies appear to have an extended history of interaction yet their overall galaxy structures do not show any extensive distortions. Why not? Wish I had more people in my intro class who were thinking this fast. The main

Purpose is to understand the creation of galaxies and the universe has evolved. Plans to study distant galaxies at optical, infrared, and radio frequencies.
Wambsganss World Scientific 1998, p.91 Miller, B. W., Bureau, M., Verolme E., de Zeeuw P.T., Bacon, R., Copin Y., Emsellem, E., Davies, R. L., Peletier R.F., Allington-Smith J.R., Carollo, C.M., Monnet, G., 1999, { it SAURON Integral Field Spectroscopy of Galaxies., to appear in the proc of ``Imaging the Universe in Three Dimensions Astrophysics with Advanced Multi-Wavelength Imaging Devices. Ast. Soc. of the Pacific, conference series, eds. W. van Breugel J. Bland-Hawthorn, Minns, A.R.

List of resources dedicaced to extragalactic astronomy: Databases, projects, education ...

Some useful information about the formation of galaxies.
To the Sun, the gases heat up and burst out. More.“Missing” mass in the Universe that cannot be seen, but we know that it is there because of the way that stars and galaxies move. More.A coordinate used to find objects in space. Declination is measured in degrees, arc minutes and arc seconds. More.The farthest out, odd shaped moon of Mars. It may be an asteroid that has been caught..A change in the colour of light from an object that is moving. If the object is coming towards us it will seem

List of galaxies with photos.

NASA Windows to the Universe. Includes illustrations and introductory information about a variety of galaxies.

Astronomy Photos from the Hubble Space Telescope, Hubble, NASA, ESO, Chandra, Gemini and Apollo mission archives. Images of space, earth, planets, stars, galaxies, nebula.
Foreground stars are marked by diffraction spikes caused by the telescope and yellow vertical stripes due to saturated digital camera pixels in the above Very Large Telescope image from the European Southern Observatory. Tantalizing wisps of more distant, faint galaxies are visible in the background. Credit FORS1, VLT, ESO Text APOD.

Galaxies with their descriptions.
Andromeda galaxy, the Supernova 1885, also designated Andromedae. This was the first supernova discovered beyond our Milky Way galaxy, on August 20, 1885, by Ernst Hartwig (1851-1923) at Dorpat Observatory in Estonia. It reached mag 6 between August 17 and 20, and it was independently found by several observers. However, only Hartwig realized its significance. It faded to mag 16 in February 1890..Atlas of the Andromeda Galaxy by Paul W. Hodge. University of Washington Press, 1981..P. Barmby,

Many selected links to websites dedicated to galaxies.

Some useful information about kinds of galaxies, content of galaxies, clusters of galaxies, galaxies and cosmology.

Contains a set of notes by Nick Strobel. Topics include the structure of the Milky Way, the characteristics of other galaxies, and finding distances to other galaxies.
Or Comet). Example The Messier pages are located in Messier index.html The constellation pages are located in Maps Const Fig index.html And no, I do not use Frontpage Extensions. You can& ,t upload files. In case of doubt please check our updates or contact MAA@agleia.de Thank you for your patience..Welcome to the MAA Scholar Project. The aim of this project is to provide texts about several astronomical and astrophysical subjects, prepared in a way that even a layman can understand them (most

This site contains a collection of digital images of 113 nearby galaxies.

An article about the Galaxy classification.

A review article for non-specialists.

Contains information about the growth of various galaxies. Also includes images, news, and a glossary.
Constellation Triangulum, part of what known as our Local Group of galaxies. The Galaxy Evolution Explorer has two detectors one in far-ultraviolet, which reveals stars younger than about 10 million years old, and another in near-ultraviolet, which detects stars younger than about 100 million years old. The left ultraviolet image shows a map of the recent star formation history of M33. The bright blue and white areas are where star formation has been extremely active over the past few million

Images of interacting galaxy pairs

Contains various images of a selection of galaxies.
You are targeting. Based on your honest estimation of the value of that market, please make me an offer consistent with the above recommendations. I look forward to hearing from you. Jason Ware info@galaxyphoto.Nebulae are great gas clouds in space. Although the colors can& ,t be seen with the unaided eye, they are real, enhanced by long exposure imaging. The dominant gas is hydrogen which produces the red glow. The blue colors are the result of starlight being reflected off dust grains. Click

Data, observation notes, and more about globular clusters within the galaxy.
Create a website for your business, interests and hobbies on Angelfire! Lycos Deals - The best online shopping deals, coupons exclusive close out sales at bargain prices. Lycos Yellow Pages Find a business near you..

Project at Lawrence Berkeley National Lab to search for supernovas in very remote galaxies. This provides an accurate means of measuring the distances to remote galaxies and thereby determining the ag
4639, Pennypacker, C., Perlmutter, S., Smith, C. K., IAUC, 5042, 2 (1990). Supernova 1990H in NGC 3294, Perlmutter, S., Pennypacker, C., Marvin, H., Sasseen, T., Smith, C., Muller, R., IAUC, 4992, 1 (1990). Supernova 1990E in NGC 1035, Pennypacker, C., Perlmutter, S., Shara, M., Sargent, W. L. W., Stathakis, R., Cannon, R., IAUC, 4965, 1 (1990). Supernova 1990B in NGC 4568, Perlmutter, S., Pennypacker, C., IAUC, 4949, 1 (1990). Supernova 1989L in NGC 7339, Pennypacker, C., Perlmutter, S.,

This site is about Spiral, Elliptical, Irregular Galaxies with their important characteristiсs.

Includes a catalog of globular clusters, photos, and brief description.
Image (just to the lower right of the triple cD galaxy)..This shiny new addition to the Kitt Peak landscape is a great demonstration of the advances in telescope technology over the two decades since the Mayall telescope went into service. It compact, usually delivers sharper images, and is reputed to take substantially less maintenance. WIYN stands for the project partners - Wisconsin, Indiana, Yale, and NOAO - but kept an earlier pronunciation (win), no matter how appropriate the current

Explains gravitational lensing by clusters. Includes pictures of MS1054.

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