Astronomy Links
By Armando Caussade.
Uploaded: May 16, 1998. Revised: December 30, 2006.
The list below contains about 300 of my favorite astronomy links. To look for something in particular, try using theFINDfunction of your web browser (CTRL+Ffor both Internet Explorer and Netscape). These links are provided for your convenience and do not necessarily represent an endorsement.
ASTRONOMY IN PUERTO RICO
The list for this category is intented to be as comprehensive as possible. If you would like to have your page listed under this category, contact me at.
NASA websites related to Puerto Rico.
- Amateur Astronomy Personal page by Armando Caussade of San Juan, PR. [This website!]
- Arecibo Observatory Professional facility operating the world's largest radio telescope.
- Arecibo Optical Astronomical Observatory Recently inaugurated professional facility.
- Astronomía-Antonio Pontón & Assoc. Personal page by amateur astronomer Antonio Pontón.
- Astronomía en Puerto Rico Forum for amateur astronomy in PR, by Ronald Flores.
- AstroNotas Portal and e-zine by Juan L. Martínez of Aguas Buenas, PR. An excellent site.
- Caribbean Astronomical Society Amateur organization based in Mayagüez, PR.
- Emily's Universe Personal page by Emily Alicea-Muñoz, astronomy Ph.D. candidate at Penn State.
- Geodinámica Física y Astronomía High school class at Perpetuo Socorro Academy in San Juan, PR.
- Mayagüez Pulsar Pages Personal page by physicist Leszek A. Nowakowski of UPR-Mayagüez.
- Puerto Rico Astronomical Society Amateur organization, the oldest and largest in PR.
- Puerto Rico Space Grant Consortium Educational program established and funded by NASA.
- Space Station Solar Arrow Personal page by J. Mercado of San Juan, PR.
- The Coquí Observatory Personal page by Steven Douglas Huddleston of Carolina, PR.
- UPR-Humacao Astronomical Observatory Professional facility operating an optical observatory.
- UPR-Mayagüez Dept. of Physics Professional facility operating an observatory and a planetarium.
- UPR-Río Piedras AstroLab Astronomy Group at the University of Puerto Rico.
- UPR-Río Piedras Dept. of Physics Professional facility operating several optical telescopes.
Astronomical calculations for Puerto Rico.
- NASA: Orlando Figueroa Puerto Rican scientist, director of NASA's Mars Exploration Program.
- NASA/GSFC: Coquí II Fact Sheet Paper explaining the suborbital rocket launches of 1998 [PDF].
- NASA/GSFC: Adolfo Figueroa Viñas Puerto Rican astrophysicist working with NASA.
- NASA/GSFC: Enectalí Figueroa Feliciano Puerto Rican astrophysicist working with NASA.
- NASA/JPL: Armando Caussade Solar System Ambassador in San Juan, PR.
- NASA/JPL: Juan F. Martínez Solar System Ambassador in Cayey, PR.
- NASA/JPL: Eddie Irizarry Solar System Ambassador in Mayagüez, PR.
- NASA/JPL: Ángel Sanabria Solar System Ambassador in Sabana Grande, PR. [Also: news profile].
- International Eclipse Tables: Puerto Rico Tables of solar eclipses for 8 locations throughout the island.
- NASA Satellite Sighting Information for San Juan, PR 2-week prediction of possible ISS sightings.
- The Official U.S. Time (Atlantic Time Zone) The official time in Puerto Rico.
- Sunrise and Sunset in San Juan, PR Dynamically generated 7-day calculations.
ASTRONOMY IN THE CARIBBEAN AND CENTRAL AMERICA
This is not intended as a comprehensive listing.
- Asociación Hondureña de Astronomía Amateur organization based in Tegucigalpa, Honduras.
- Asociación Panameña de Aficionados a la Astronomía Amateur organization based in Panama City.
- Asociación Salvadoreña de Astronomía Amateur organization based in El Salvador.
- Astronomy Club Colegio Arubano High school amateur organization in Aruba.
- Astronomy in Jamaica IAU report with interesting facts about astronomy in Jamaica.
- Astronomy in Trinidad and Tobago Report about astronomy in this Caribbean nation.
- Caribbean Institute of Astronomy (CARINA) Professional facility in Trinidad and Tobago.
- Club Astronómico de Santiago Amateur organization based in Santiago, Dominican Republic.
- Club de Aficionados a la Astronomía Amateur organization from Costa Rica.
- Cousin Ricky's Amateur Astronomy Personal page by Richard Callwood III of the US Virgin Islands.
- Dr. Shirin Haque's Home Page Personal page by a physicist from Trinidad and Tobago.
- L'astronomie, ma passion Personal page by Nadia Octave, an amateur from Martinique.
- Sociedad Astronómica Dominicana Amateur organization from Santo Domingo, Dominican Republic.
- St. Joseph High School Astronomy Class By James A. Petrait of St. Croix, US Virgin Islands.
- The Barbados Astronomy Society Canadian report about amateur astronomy in Barbados.
FRIENDS AND ACQUAINTANCES
- David McQuade Friend and fellow amateur from Fort Myers, Florida
- Isaac Cruz Friend and fellow amateur from Reynoldsburg, Ohio
CLUBS AND ORGANIZATIONS
North America:
Europe and other locations:
- American Association of Amateur Astronomers Founded by J. Wagoner and E. Flaspoehler in 1996.
- American Association of Variable Star Observers The world's largest variable star organization.
- American Astronomical Society American organization for professional astronomers
- Association of Lunar and Planetary Observers Major U.S. amateur organization.
- Astronomical League Composed by more than 250 local amateur astronomical societies in the U.S.
- Astronomical Society of the Pacific American organization for both amateurs and professionals.
- Planetary Society Promotes the exploration of our Solar System and the search for extraterrestrial life.
- Royal Astronomical Society of Canada The largest Canadian amateur organization.
- Sociedad Astronómica de México Mexican amateur organization, established in 1902 [old URL].
- SEDS: Home Page Students for the Exploration and Development of Space.
International:
- Agrupación Astronómica de Madrid Spanish amateur organization, established in 1974.
- British Astronomical Association "The voice of amateur astronomy in the U.K."
- International Astronomical Union International organization for professional astronomers.
- International Dark-Sky Association "The Light Pollution Authority" Home Page.
- International Meteor Organization International cooperation of meteor amateur work.
- Liga Iberoamericana de Astronomía The Ibero-American Astronomical League
RESEARCH FACILITIES
- Anglo-Australian Observatory Australia's premier observatory located at Siding Spring Mountain.
- Big Bear Solar Observatory Astronomical facility located in the middle of Big Bear Lake, California.
- Cerro Tololo Interamerican Observatory Home to the 4-meter Blanco telescope in northern Chile.
- European Southern Observatory Intergovernmental organization operating the VLT instrument in Chile
- Gemini Observatory International partnership comprised of two 8.1-meter telescopes.
- Instituto de Astrofísica de Canarias Spain's best known observatory, located in the Canary Islands.
- L' Observatoire de Paris The world's oldest observatory, established in 1667.
- Keck Observatory The world's largest optical telescopes, located in Hawaii.
- Monterey Institute for Research in Astronomy Independent non-profit astronomical observatory.
- Mount Wilson Observatory Home to the venerable 2.5-meter Hooker telescope.
- Palomar Observatory Home to the historic 5-meter Hale telescope.
- The Royal Greenwich Observatory The world's second oldest observatory, established in 1675.
EDUCATIONAL INSTITUTIONS
- Paul Marquard's Astronomy Page Astronomy course at Casper College and the Univ. of Wyoming.
- Swinburne Astronomy Online Online degrees in astronomy, by Swinburne University in Australia.
- University of North Dakota: Dept. of Space Studies Online and on-campus degrees in space science.
HISTORY AND MYTHOLOGY
- Astronomiae Historia A collection of links relating to the history of astronomy.
- Chris Dolan: The Constellations and their Stars The 88 constellations, the brightest stars, and more.
- Constellations in Mythology A summary of celestial mythology, by Francesca Doddato.
- Dome of the Sky: Constellation List Classical mythology associated with the constellations.
- RASC: Star Names Commonly known star names and their definitions in the Western tradition.
- The Constellation Web Page Myths and facts on all 88 constellations, by Richard Dibon-Smith.
CALENDARS AND ECLIPSES
- CalSky: The Celestial Observer Astronomical calendar and online calculator.
- Fourmilab: Your Sky Interactive web planetarium by John Walker.
- International Eclipse Tables Dynamically generated tables of solar eclipses for more than 3,300 cities.
- Mr. Eclipse Fred Espenak's personal eclipse website, featuring eclipse photo galleries and reports.
- NASA/GSFC: Eclipse Home Page Comprehensive source of eclipse predictions, by Fred Espenak.
- Sky & Telescope: Observing "This week's sky at a glance."
- TimeAndDate.com Real-time clocks and dynamically generated calendars.
- The Eclipse Zone "Information for upcoming very rare sky events," by Worachate Boonplod.
- The Official U.S. Time A public service by the United States Government.
- Virtual Reality Moon Phase Pictures The phase of the Moon for any date between 1800-2199 AD.
SOLAR SYSTEM ASTRONOMY
- Bill Arnett: The Nine Planets A multimedia tour of the Solar System [primary URL at SEDS].
- Comets and Meteor Showers Compiled by Gary W. Kronk, this is an excellent meteor resource.
- List of Transneptunian Objects Current list of known Kuiper belt objects.
- Magnetospheres of the Planets By Earth Science Australia.
- NASA/ARC: Asteroid and Comet Impact Hazards General information on cosmic impacts.
- NASA/ARC: Planetary Image Finder Sources of high-resolution images for each planet or moon.
- NASA/GSFC: Online Books on Planetary and Lunar Science Over 60 full texts and publications.
- NASA/JPL: Near-Earth Object Program Orbital diagrams, elements, predictions and statistics.
- NASA/JPL: Planetary Photojournal Comprehensive, multi-mission archive of Solar System images.
- NASA/JPL: Solar System Simulator Simulated view of any body in the solar system from any location.
- NASA/JPL: Welcome to the Planets Internet adaptation of a NASA interactive CD program.
- PlanetScapes.Com Planetary maps for 3-D modeling, by Calvin J. Hamilton.
- Small Comets and Our Origins How the Earth's oceans may have originated from ice in comets.
- SolarViews.Com Views of the Solar System, by Calvin J. Hamilton.
- SpaceWeather.com "Science news and information about the Sun-Earth environment."
- USGS: Astrogeology Research Program Interactive maps of Solar System Bodies.
SPACE EXPLORATION
- Canadian Space Agency Canadian governmental organization established in 1989.
- ESA Home Page The European Space Agency, an organization composed of 14 member states.
- NASA History Office Biographical information on astronauts, chronologies and more.
- NASA Home Page The United States National Aeronautics and Space Administration.
- NASA Image eXchange (NIX) Search utility with links to all NASA space photos and images.
- NASA/GSFC Skyview Virtual web observatory generating multi-wavelength images of the sky.
- NASA/JPL: Cassini-Huygens Mission to Saturn All the latest Cassini photos and news releases.
- NASA/JPL: Mars Exploration Rovers All the latest Spirit and Opportunity photos and news releases.
- NASA/JPL: Origins Program "The astronomical search for origins and planetary systems".
- NASA/JPL: Planetary Photojournal Access to all publicly released images from planetary missions.
- NASA/JPL: Solar System Simulator Displays a simulation of any planet or moon at a specific time.
- STScI: Origins Education Forum Public gateway to the research results of NASA's Origins Program.
- STScI: Astronomy Resources Access to astronomy products such as the Guide Star Catalog.
- STScI/HubbleSite: Home Page Hubble Space Telescope outreach web site.
- STScI/HubbleSite: Press Release Archive Access to all publicly released images from the HST.
STELLAR ASTRONOMY
- Astronomy Java Applets Simulations and animations, by astronomer Rob Scharein.
- Effective Temperatures and Intrinsic Colors of Stars From Allen's Astrophysical Quantities.
- Educational Observatory / Double Stars Extensive catalogues and resources on double stars.
- Espectros estelares en color real Real color stellar spectra.
- Flattest Star Ever Seen (ESO Press Release 14-03) Achernar's true size and shape revealed.
- FourmiLab: Named Stars Comprehensive list matching star proper names to catalog numbers.
- James B. Kaler Home page of astronomer James B. Kaler, author of The Stars.
- Harvard Spectral Atlas Spectral graphs for OBAFGKM stars, plus peculiar and variable stars.
- The Internet Stellar Database Data about nearby stars within 75 light-years.
- NASA/JPL: Star Maps All-sky maps generated from the Yale, Tycho and Hipparcos catalogues.
- Nucleosynthesis Online introduction to the energy-producing process of stars.
- Observational Data for Galactic Globular Clusters For each of the 142 confirmed galactic globulars.
- Open Cluster Database Observational data for the nearer open clusters in the Galaxy.
- Orbits of Visual Binaries Orbital diagrams for 150 visual binaries, by Richard Dibon-Smith.
- Star Data Pages Detailed information for naked-eye stars, by Alcyone Software.
- TCAEP: The Constellations A list of bright stars (V>7.0) for each of the 88 constellations.
- The 100 Nearest Star Systems By RECONS, the Research Consortium on Nearby Stars.
- The Local Interstellar Medium 3-D Mapping of the Local Interstellar Medium.
- The NGC/IC Project Collaborative effort to correctly identify all of the original NGC and IC objects.
- What Color are the Stars? RGB pixel colors for various stellar spectral types, by Mitchell Charity.
EXTRASOLAR PLANETS AND SETI
- Bill Arnett: Other Planetary Systems Extrasolar planet information from The Nine Planets website.
- Carl Sagan Book reviews, articles and links about Carl Sagan.
- Dr. Carl Sagan A tribute, bibliography, and a collection of links.
- Drake Equation Calculator Java applet which estimates the number of civilizations in the galaxy.
- Exoplanets.org California and Carnegie Planet Search website, mantained by Geoffrey Marcy et al.
- Extrasolar Planets Encyclopaedia Every known exoplanet, by the Observatory of Paris [U.S. mirror].
- Extrasolar Visions Information and paintings of newly discovered extrasolar planets.
- History of the Search of Extrasolar Planets Historical facts, future prospects and links to other sites.
- How to Find Extrasolar Planets? Techniques employed in the search for other worlds.
- Known Planetary Systems Up-to-date list mantained by Alexander J. Willman, Jr. of Princeton, NJ.
- Matessa.org: Extrasolar Planets Exoplanet, brown dwarf and dust disk links by Mike Matessa.
- SETI@home Free program for downloading and analyzing radio telescope data.
- SETI Institute Organization studying "the origin, nature and prevalence of life in the universe".
- Solar Type Stars "Basic information on their classification and characterization."
- SolStation.com A wealth of information about nearby stars and planetary systems.
- SpaceRef.com: Astrobiology Astrobiology portal, a part of the SpaceRef.com website.
- TransitSearch.org Observational effort which will allow amateurs to discover extrasolar planets.
GALAXIES AND COSMOLOGY
- Arp's Catalog of Peculiar Galaxies "An exploration for observers compiled by observers."
- NASA/GSFC: Multiwavelength Milky Way Images of our Milky Way in various wavelength regions.
- Ned Wright's Cosmology Tutorial Excellent resource by UCLA professor Edward L. Wright.
DATABASES AND ARCHIVES
- NASA: astro-ph Pre-Print Service The most popular archive for astronomical pre-prints.
- NASA: Astrophysics Data System Digital library for physics, astrophysics, instrumentation, etc.
- NASA-IPAC: Extragalactic Database Contains cross-identifications, accurate positions and redshifts.
- Sloan Digital Sky Survey Data from the most ambitious astronomical survey ever undertaken.
- STScI: Digitized Sky Survey The Palomar and UK Schmidt telescopes all-sky photographic surveys.
- STScI: Guide Star Catalog I and II Data for 19 million and 1,000 million objects, respectively.
- STScI: Hubble Space Telescope Multimission Archive Comprises a variety of data sets and archives.
ASTROPHOTOGRAPHY
- A CCD Tour of the Universe Deep sky CCD imaging by Jan Wisniewski.
- Al Kelly's CCD Astrophotography Page Images with a 32-inch telescope and a CB245 CCD camera.
- Anglo-Australian Observatory: Astronomical Images Wide-field photographs by David Malin.
- Astronomical Imaging by Brad Wallis and Robert Provin Photography with Astro-Physics refractors.
- Astronomy by Robin Casady Lunar CCD images plus other pictures.
- Astrophotography by Bryan Bradley "A collection of the many photos I've taken of the night sky."
- Astrophotography by Jerry Lodriguss Deep-sky photography and digital enhancement in Photoshop.
- Axel Mellinger's All-Sky Milky Way Panorama Impressive Milky Way mosaic.
- Axel Mellinger's Astrophotography Page Wide-field, telephoto and prime focus photography.
- CCD Imaging and Astrophotography By Darin E. Fields, using various cameras and techniques.
- Chris Vedeler's Astrophotography Gallery Photography with a 10-inch and a 61-inch telescope.
- Chuck's Astrophotography Black-and-white film photography using Kodak Technical Pan 2415.
- Dan's Astrophotography Web Site CCD astrophotography by Dan Thurs.
- David Manifold Homepage 35mm and CCD astrophotography.
- Digital Images of the Sky Photographs taken with large telescopes by S. Kohle, T. Credner et al.
- Ed Grafton's CCD Astro-imaging Page Planetary images with a C14 telescope and a ST6 camera.
- ESO: Astronomical Photo Gallery Digital pictures obtained with the the Very Large Telescope (VLT).
- GRAAA: Astrophotography Gallery By the Grand Rapids Amateur Astronomical Association.
- Herm Pérez AstroPics "This page is intended to showcase my astrophotography progress."
- PW's Astrophotography Gallery A selection of "masterpieces" by Peter Wienerroither.
- Richard's Astronomical Observatory CCD images with a 10-inch telescope by Richard Robinson.
- Ron Wodaski's Astronomy Stuff Image processing tutorials, product reviews and photo galleries.
- The Light of Creation Astrophotography by Jeff Ball.
- Weasner's Webcam Astrophotography Page Quickcam comments, tips, and photos.
- SBIG: Best Image Calendar CCD images submitted by SBIG clients.
- SkyOptics: Astrophotography Gallery Photography with a Schmidt camera, by Steve Barnes.
SOFTWARE
- Aberrator "Freeware that generates star-testing images to show the effects of aberrations".
- Astronomical Javascript and Applets By Dr. Siobahn M. Morgan of the Univ. of Northern Iowa.
- Astronomy Software "This page contains links to available software on the Internet."
- Astronomy Software for PC Free DOS planetarium and eclipse simulator programs.
- Astrosurf: IRIS Astronomical image processing software (available free) by Christian Buil.
- Astrosurf: Visual Spec Spectrographic analysis software (available free) by Valérie Desnoux.
- Cartes du Ciel (Sky Charts) Free program to draw sky charts using data from major catalogs.
- Celestia: A 3D Space Simulator Realistic Solar System and deep space simulation software.
- Chris Dolan's Java Applets Java applets and scripts, including an "Astro-Physical Calculator"
- CVC's Astronomy Freeware "From your friendly neighborhood science teacher (Bill Drennon)."
- Cybersky Software displaying "accurate charts of the sky as seen from any location on the Earth."
- Efemérides de Astronomía con Applets de Java Applets by Joaquín García Ferrer.
- FourmiLab: Home Planet Release 3.1 Free software by John Walker, the creator of AutoCAD.
- Hallo Northern Sky Free software "complete with the SAO, PPM, Tycho-2 star databases".
- Registax Freeware tool for alignment, stacking and processing of digital image sequences.
- SEDS: Planetarium Software Extensive listing of sofware for Windows, UNIX and MacOS.
- StarCalc Freeware astronomy planetarium and star mapping program for Windows.
- Virtual Atlas of the Moon Complete lunar globe with photographic texture, available free.
- Eclipse Software EmapWin Simulates solar eclipses from 3000 BC to 3000 AD.
- WinStars Complete planetarium planetarium program available as freeware.
AMATEUR ASTRONOMY
- Amateur Astronomer's Notebook Observing information, astrophotography, and advanced topics.
- Beginning Urban Skywatching "By Bob Parvin, an urban skywatcher."
- Brian's Astronomy Page Class projects other astronomy links, by Brian von Konsky.
- Estudios de estrellas dobles Observation of double stars, by Francisco M. Rica.
- The Solar Eclipse of February 26, 1998 An eyewitness report from Curaçao, Netherlands Antilles.
- John Schroer's Amateur Astronomy The 1998 solar eclipse and other observations from Aves Island.
- Nearby Star Observers Organization studying the closest stars within a 25-parsec radius of the Sun.
- Observational Astronomy "Resources to learn about observering skills," by David Haworth.
- Peoria Astronomical Society A wealth of information for the amateur astronomer.
- Philip S. Harrington An "extension of the books and articles" published by this well-known author.
- Saguaro Astronomy Club Well-known amateur organization from Phoenix, Arizona.
- Springbrook Research Observatory CCD photo library and class projects by Andre Clayden.
- Under Southern Skies: 1950 through 2000 The history of the South Florida Amateur Astronomers.
- Worcester Park Observatory Amateur spectroscopy and CCD imaging, by Morris Gavin.
TELESCOPE AND CAMERAS
- Affordable Astronomy Equipment Reviews Website mantained by Curt Irwin.
- Arkansas Sky Observatory: Fine Optics Cleaning System Online tutorial by P. Clay Sherrod.
- Cloudy Night Telescope Reviews Reviews of astronomical telescopes and equipment.
- Curso de astronomía CCD CCD astronomy tutorial, by Antonio Peña.
- HowStuffWorks: How Telescopes Work Good online reference by Craig C. Freudenrich.
- SEDS: The World's Largest Optical Telescopes List including every telescope larger than 2.2 meters.
- The Telescope Review Web Site Reviews of telescopes, eyepieces and feature articles, by Ed Ting.
DEALERS AND MANUFACTURERS
- Adirondack Video Astronomy Retailer of digital video cameras, CCDs and webcams.
- Adorama Retailer of cameras, telescopes and binoculars.
- Astronomics Retailer of telescopes, cameras and binoculars.
- Apogee, Inc. Retailer of telescopes, accessories, lenses and hard to find parts.
- Celestron Leading manufacturer of telescopes, microscopes and binoculars.
- E-Scopes Telescopes parts and accesories.
- Losmandy Astronomical Products "Precision equatorial mounts and secondary systems"
- Lumicon Extensive line of astronomy filters and astrophotography accesories.
- Meade Leading manufacturer of telescopes.
- Orion Telescopes & Binoculars Leading retailer of telescopes and binoculars.
- Roger Tuthill, Inc. Custom telescope accessory manufacturing and sales.
- ScopeStuff Telescope accesories and hardware.
- SBIG Santa Barbara Instrument Group, leading manufacturer of CCD cameras.
- Stellarvue Retailer of quality achromatic and apochromatic telescopes.
- Surplus Shed Retailer of surplus and used optical and electronic items.
- Tele Vue Optics Manufacturer of telescopes, eyepieces and accesories.
- University Optics "Your source for the finest in telescope accessories and telescope making parts."
PUBLICATIONS
- Amateur Astronomy "Amateur astronomy, observing and telescope making around the world."
- Annual Review of Astronomy and Astrophysics Professional publication (requires registration).
- Astronomy American monthly magazine for amateur astronomers.
- Astronomy Now British amateur publication.
- Ciel et Espace Major French publication.
- IAU Circulars Access to recent IAU Circulars
- Publications of the Astronomical Society of the Pacific Professional publication (requires registration).
- Sky & Telescope American monthly magazine for both amateur and professional astronomers.
- Sky News Canadian bi-monthly magazine for amateur astronomers.
- The Astronomical Journal Professional publication by the Univ. of Chicago (requires registration).
- The Astrophysical Journal Professional publication by the Univ. of Chicago (requires registration).
- Tribuna de Astronomía y Universo Spanish monthly magazine for amateur astronomers.
MISCELLANEOUS
- 2300 AD World Generation Role playing game for planet building.
- Astronautica.com Astronautics glossary, extrasolar planet catalog, and other useful resources.
- Astronomical Alphabet "The future is written in the stars. Or at least the alphabet is written up there"
- NASA/GSFC: Astronomy Picture of the Day A new picture every day. A 5-year archive is available.
- Bad Astronomy Phil Plait sets the record straight on astronomy misconceptions.
- ClearDarkSky.Com Forecasting of astronomical observing conditions by means of clear sky clocks.
- Heavens Above Satellite tracking calculations; requires registration.
- Peripatus' Astronomy Page Personal page by Chris Clowes of New Zealand.
- Red de Astronomía de Colombia Network of Colombian amateur and professional astronomers.
- RoboSkyCom Robotic telescopes that can be controlled in real-time over the Internet.
- The Electronic Sky "A series of articles covering a wide variety of cosmic phenomena."
- Windows to the Universe "A fun and different web site about the earth and space sciences."
PORTALS AND NEWS SITES
- About.com: Space/Astronomy Space and astronomy section from the About.com megasite.
- Astronomía Online Spanish-language astronomy portal.
- AstroPlace Astronomy and space science news, links and resources.
- Space.com Portal concentrating in astronomy and space exploration.
- SpaceRef.com "Space news as it happens."
- Universe Today The latest space and astronomy news, presented as concise overviews.
REFERENCE
- ADS: Digital Library Links to online books relating to astronomy and astrophysics.
- ADS: Handbook of Space Astronomy and Astrophysics Online textbook by Martin V. Zombeck.
- Astronomia Terminaro Astronomical vocabulary in Esperanto and 35 other languages.
- Astronomy FAQ Mantained by T. Joseph W. Lazio. [A mirror is available at FAQs.org].
- Astronomy Notes Documents created by Nick Strobel for the astronomy courses he teaches.
- Astronomy Today Online textbook by Eric Chaisson and Steve McMillan.
- Light and Matter: Physics and Astronomy Resourses Online introductory physics textbooks.
- Encyclopedia of Astrobiology, Astronomy, and Spaceflight By David Darling, author of Deep Time.
- FourmiLab: Home Page A variety of documents, images, software and interactive web resources.
- McMillan Encyclopedia of Astronomy Hosted by Nature Publishing Co.; requires registration.
- Observatory Guide Observatory information for about 2,000 facilities worldwide.
- TCAEP: Home Page The Constants and Equations Pages, hosted by the Institute of Physics.
- Vocabulario astronómico [PDF file] Concise Spanish-language astronomical glossary.
- Wikipedia: List of Astronomical Topics Astronomy articles from the the free Internet encyclopedia.
DIRECTORIES AND LINK PAGES
- Amateur Astronomy Resources Useful links by Mark Daugherty.
- Astroenlazador.com Astronomy link directory.
- AstronomiaDeAmerica.Net Latin American astronomy links, by Luis Gil.
- Astronomy in Latin America By the Latin American Network Information Center at the Univ. of Texas.
- AstronomyLinks.com Astronomy and space related links from around the world.
- Astronomy Links By the Dept. of Terrestrial Magnetism at the Carnegie Institution of Washington.
- Astronomy Megalinks Comprehensive collection by R.M. Clarke.
- AstroPlace Astronomy Clubs Astronomy clubs worldwide from Astroplace.com.
- Bill Arnett's Websites Links to all of by Bill Arnett's astronomy websites.
- CDS: The Star*s Family of Astronomy and Related Resources The "StarPages" [alternate URL].
- Favorite Astronomy Links By the Dept. of Physics and Astronomy at Sonoma State Univ. (California).
- Latin American Astronomy Institutions By the Astronomy Dept. at Univ. of Guanajuato (Mexico).
- SkyWatch Astronomy Links By Ed Ehrlich of Jerusalem, Israel.
- Some Useful Links By the Dept. of Physics at West Virginia Univ.
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