Links

• Michigan State University
• University of North Carolina at Chapel Hill

• Cerro Tololo  Interamerican Observatory
• National Optical Astronomy Observatory
• Gemini Observatory
• Brazil SOAR pages

More Links

• What time is it? — current time in about 600 cities around the world (map).
• AstroViewer — Display a sky map and see what’s up.
• The Constellations — The Munich Archive Astromaps with images, maps, and star descriptions.
• The Constellations — includes mythology as well as astronomy.
• WIKISKY — the sky in great detail, zoomable, including images from the Sloan Digital Sky Survey and much more.
• Google Sky — software you can download to explore the sky (part of Google Earth)
• This Week’s Sky at a Glance — from Sky & Telescope.
• Sun and Moon rising & setting times, phases, eclipses, seasons, occultations, etc. — from USNO.
• The Phase of the Moon—now or at any time — from USNO.
• Earth Viewer — day and night.
• The Earth at night as seen from space — Pick out your favorite city from its light pollution.
• Solar System Simulator — images, movies, orbits, and more.
• Current and Recent Comets — Gary W. Kronk’s Cometography
• Eclipse Home Page — from Fred Espenak at NASA Goddard Space Flight Center.
• SkyView — a portal to images of the night sky in many different representations and wavelengths and to great depths.

Astronomical Research

• Astrophysical Data System — abstracts of articles in technical journals.
• Astroweb: Astronomy and Astrophysics on the Internet
• Science: Astronomy — from Yahoo.
• Astronomical Survey Projects — Links to a great many sky surveys now underway in all wavelength bands.
• Students for the Exploration and Development of Space — gateway to many sources, including the Messier Catalog.
• The Net Advance of Physics: Astronomy and Astrophysics — lecture notes and more at various levels.
• Webstars: Astrophysics in Cyberspace — from HEASARC
• Basics of Radio Astronomy
• Infrared Astronomy — from NASA’s Infrared Processing and Analysis Center.
• U. S. Geological Survey Astrogeology Research Program — Many maps of Mars and other planets.
• Space Mission Acronym List and Hyperlink Guide — links to practically all missions, but last updated in 1997.
• SkyView — images of any part of the sky at wavelengths from radio to gamma-ray.
• High Energy Astrophysics Science Archive Research Center (HEASARC) — images, descriptions, and data from x-ray and gamma-ray astronomy satellites.
• The Interstellar Medium — educational site from the University of New Hampshire.
• The James Webb Space Telescope — Plans for the Hubble’s successor are underway.
• The Solar System — JPL site with links to missions. See also The Nine Planets by Bill Arnett and (if you can stand the ads) Views of the Solar System by C.J. Hamilton.
• Space Physics at the National Space Sciences Data Center — links to details of past, present, and future Solar System exploration missions.
• Galileo explored Jupiter and its satellites from 1995 to 2003
• The Exploration of the Earth’s Magnetosphere — a non-mathematical but quite detailed overview of space research on the Earth’s environment in space.
• Apollo Lunar Surface Journal — Transcripts, commentary, and spectacular images from when astronauts walked on the Moon. See especially the images from Apollo 17.
• Lunar panoramas from Apollo — Hans Nyberg has spliced together photographs to make 360° panoramas accompanied by audio recordings of astronauts at the time.
• Minor Planets (asteroids) — see also the list by number or by name.
• NEAR Shoemaker satellite orbited asteroid Eros for a year, landed 12 February 2001.
• Asteroid and comet impact hazards
• Was there once life on Mars? — about a controversial meteorite.
• Meteorite Central and Meteorites and Their Properties — two sites on those rocks from out of this world.
• How many satellites does Jupiter (or Saturn, Uranus, or Neptune) have? — the latest information from a member of the University of Hawaii team that has discovered dozens.
• Kuiper Belt Objects — all about those trans-Neptunian objects by David Jewitt, one of the leaders in discovering and interpreting them.
• The Extrasolar Planets Encyclopaedia — all the news about planets orbiting other suns.
• Extrasolar Visions — information about dozens of other solar systems.
• California & Carnegie Planet Search — from the leading American researchers in the field.
• The Search for Extraterrestrial Life — much information and many links, provided by the Planetary Society.
• The Sun
• The Solar Neutrino Problem and Its Solution
• Stars — the star of the week, and of previous weeks, by James Kaler.
• Cambridge Cosmology — includes animations, brief history of 20th century cosmology.
• Cosmology: A Research Briefing — part of a 1995 National Research Council Report.
• Cosmology Books and Links — from a course at Sonoma State University.
• Stephen Hawking's Universe

Institutions, Organizations, Observatories

• Observatories — index to many, including
     2MASS   AAO   ESO   Gemini   HST   JAC   Keck   NOAO   NRAO    SDSS   SOHO   Subaru   Swift   Yohkoh
• NASA, including    Ames   Astrobiology Institute   Goddard   HST   JPL    Missions (past, present, & future)
• American Association of Variable Star Observers (AAVSO)
• American Astronomical Society (AAS) — the leading professional society in the USA.
• Astronomical Society of the Pacific (ASP) — for professionals, amateurs, teachers, and others.
• Berkeley Cosmology Group — good material on dark matter, cosmology, etc.
• Center for Earth and Planetary Studies — at the National Air and Space Museum.
• International Astronomical Union (IAU) — the leading professional society on Earth.
• International Dark Sky Association — dedicated to sound lighting practices and preserving dark skies.
• International Occultation and Timing Association (IOTA) — to encourage and facilitate the observation of occultations and eclipses.
• The Meteoritical Society — to promote the study of extraterrestrial materials and their history.
• The National Space Society — promotes change in social, technical, economic, and political conditions to advance the day when people will live and work in space.
• The Planetary Society — founded by Carl Sagan and Bruce Murray.
• The Royal Astronomical Society — in London since 1820.
• The Royal Astronomical Society of Canada — includes both professionals and amateurs.
• The SETI Institute — now privately funded, the search for extraterrestrial life goes on.
• Physics & Astronomy Forums — newsgroups of all kinds

History of Astronomy

• History of Astronomy — the most extensive list, by Wolfgang Dick in Germany.
• History of Mathematics Archive — at the U. of St. Andrews in Scotland, includes much astronomy and physics, including essays on History Topics.
• Center for History of Physics — extensive site at the American Institute of Physics.
• Calendars — by LeRoy E. Doggett.
• Calendar FAQs
• Archaeoastronomy Web Sources — by David Dearborn.
• Archaeoastronomy, Ancient Astronomy and Ethnoastronomy
• Aboriginal Star Knowledge: Native American Astronomy
• Astronomy in Japan
• Greek Astronomy — part of a museum exhibit.
• Animations of Planetary Models from Ptolemy’s Almagest — by Dennis Duke.
• The Astrolabe
• The Copernican Revolution — outline with links.
• Tycho Brahe
• The Galileo Project — the Copernican Revolution, telescopes, 16th and 17th century astronomers, and more.
• The Art of Renaissance Science: Galileo and Perspective — art, music, and more.
• Lunar Exploration Timeline — a timeline of lunar exploration, with links to missions.
• Sir Isaac Newton
• Out of This World: The Golden Age of the Celestial Atlas
• John Herschel (pdf) — by N. S. Dodge.
• Albert Einstein
• Einstein Archives Online
• The 1920 Shapley-Curtis "Debate" -the scale of the universe.
• The Bruce Medalists — brief biographies, photos, and bibliographies of leading 19th and 20th century astronomers.
• Cosmology Since 1900 — Outline of discoveries with links to further information.
• The Struggles to Find the Ninth Planet — Clyde Tombaugh's account of his discovery of Pluto.
• NASA Historical Subject Reference Guide — includes rocket history, early astronauts, etc.
• A Brief History of High Energy Astronomy — includes dates of missions, and other astronomy-related events.
• The Discovery of Pulsars — first person account by S. Jocelyn Bell Burnell.
• Biographical Index to Sky & Telescope — a complete index by Kevin Krisciunas.

Astronomy as a Hobby

• Amateur Astronomy Clubs and Organizations — maintained by the ASP.
• The Antique Telescope Society — Site includes pictures of wonderful old telescopes.
• Deep Sky Astronomy — Observing notes, sketches, and more from Emil Neata in Romania.
• The Stellafane Home Page — the Springfield Telescope Makers.
• Purchasing Amateur Telescopes FAQ — contains good glossary.
• How Telescopes Work — by Craig C. Freudenrich

Other Interesting Sites

• An Atlas of the Universe — Richard Powell’s excellent portrayal of the universe is similar to part of the film “Powers of Ten.” It has a good set of links, too.
• The Star's Family of Astronomy Resources — worldwide database of all things astronomical: organizations, institutions, associations, companies, abbreviations, acronyms, symbols, people, and more.
• The Nine Planets Glossary — includes links to other glossaries as well.
• Star Names — a recently-compiled list of the names of the best-known stars with the meanings of the names, compiled by astronomer Steven J. Gibson.
• Star Names—Their Lore and Meaning — the complete text of a book originally published in 1899. Read the introduction before relying on it.
• Facts about Naming Stars — the official word from the International Astronomical Union. (More on naming stars).
• New Scientist magazine — British science magazine posts many articles.
• Astronomy magazine — All kinds of information, including much for hobbyists.
• The Sky & Telescope website — All kinds of information, including much for hobbyists.
• Spaceflight Now — British news source, includes much astronomy.
• Astronomy Picture of the Day — Great site with extensive archive of previous pictures of the day.
• Photographs from the Anglo-Australian Observatory — Online reproductions of some excellent photographs and digital images of the southern sky.
• Solar Voyager: Space Art on the Web — gallery of space artists with links to their individual sites.
• Hear a pulsar
• Careers in Astronomy — a brochure from the American Astronomical Society.
• Jobs in Astronomy
• Virtual Trips to Black Holes and Neutron Stars — by Robert Nemiroff & Jerry Bonnell.
• NASA Spinoffs — Use of NASA technology and its impact on the economy.
• Reflections on a Mote of Dust — by Carl Sagan, after Voyager 1 took an image of the entire solar system in 1990.
• The Astrobiology Web
• The Great Moon Hoax — Don’t believe everything you hear.
• Bad Astronomy — Astronomer Phil Plait airs out myths and misconceptions.