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| 2MASS Survey | The Two Micron All Sky Survey data of infrared images is maintained by the Infrared Science Archive at Caltech. Nearly 200 million sources are already available online. |
| Astronomy Simulations from Cornell University | Terry Herter, astronomy professor at Cornell University, created these interactive simulations of eclipsing binary stars, binary star systems, and stellar evolution. |
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Bedout Crater Cause of the "Great Dying" 250 million years ago? |
An impact crater believed to be associated with the "Great Dying," the largest extinction event in the history of life on Earth, appears to be buried off the coast of Australia. |
| Chandra X-Ray Observatory | Since its launch on July 23, 1999, the Chandra X-ray Observatory has been NASA's flagship mission for X-ray astronomy, taking its place in the fleet of "Great Observatories." |
| Computing Planetary Positions | This site has an introduction to computing planetary positions, and links to other interesting sites. |
Eclipses: Past Present and Future
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Eclipses of the Sun, Moon and planetary transits across the Sun. Eclipse Predictions by Fred Espenak, NASA/GSFC. |
Exoplanet Search: California and Carnegie Planet Search |
News, characteristics, and science about searching for planets around stars other than our Sun. |
| Forum for Amateur AstroSpectroscopy | Member Barry Malpas's award-winning site dedicated to amateur astronomers interested in the science of spectroscopy - the make-up and physical characteristics of stars, nebulae and galaxies. |
| Fourmilab | Developed and maintained by John Walker, this site has won over 25 awards. A variety of astronomy related documents, images, software and interactive Web resources can be found here. |
| Gravity Probe B |
Testing Einstein's Universe. The official Gravity Probe B launch date is Saturday, April 17, 2004 at 10:09 AM Pacific Daylight Time, from Vandenberg Air Force Base in Southern California. You can also use this link to sign up for weekly highlights via email. Click here for further info. |
| HESSI | The High Energy Solar Spectroscopic Imager ("HESSI"), a spacecraft project designed to take high-resolution images of the Sun. |
| Hipparcos Proper Motions of Stars | Display an 8X8 degree area by RA/Dec (in degrees) and by limiting magnitude, choose a step size in years (100, 1000, 10000), click "Animate", and watch the stars move through space and time ! |
| HiRISE High Resolution Imaging Science Experiment | Launched in August of 2005, the High Resolution Imaging Science Experiment (HiRISE) is flying onboard the Mars Reconnaissance Orbiter (MRO) mission. |
| Large Synoptic Survey Telescope | The Large Synoptic Survey Telescope (LSST) is a proposed ground-based 8.4-meter, 10 square-degree-field telescope that will provide digital imaging of faint astronomical objects across the entire sky, night after night. In a relentless campaign of 15 second exposures, LSST will cover the available sky every three nights, opening a movie-like window on objects that change or move on rapid time scales: exploding supernovae, potentially hazardous near-Earth asteroids, and distant Kuiper Belt Objects. The superb images from the LSST will also be used to trace billions of remote galaxies and measure the distortions in their shapes produced by lumps of Dark Matter, providing multiple tests of the mysterious Dark Energy. |
| LIGO - Laser Interferometer Gravitational-wave Observatory | Einstein predicted gravitational waves using General Relativity in 1916. These waves are emitted by any object undergoing rapid acceleration, but only gargantuan masses, like colliding black holes or exploding stars, produce sizeable waves. The LIGO detector in Livingston, Louisiana attempts to detect gravity waves. |
| Meteorites | A good source of information on meteors, meteorites and impacts. |
| Paul and Laura Woodmansee | Paul Woodmansee is a rocket engineer and is the technical advisor for the TV show Andromeda. He and his wife, Laura, maintain a site with lots of info on rocket science and interstellar flight as well as links to science and science writing sites. Laura Woodmansee authored two good essays on finding extra solar planets and the prospect for finding life on some of them. "Finding Other Earths" and "New Hope for Life in Our Solar System (and Beyond)" are worth a visit. This website was updated on June 11th. |
| Planetary Fact Sheets | This section of NASA's National Space Science Data Center includes fact sheets on the Sun, the planets, and all of their moons. |
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PlanetQuest The search for another Earth |
This is the overall website for five separate studies: The Keck Interferometer. the Space Interferometry Mission (SIM), the Terrestrial Planet Finder, the Michelson Science Center, and the Large Binocular Telescope Interferometer (LBTI). |
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Relativistic Optics "Seeing" Relativity |
If the speed of light could be reduced from over a billion kilometers per hour to just a few meters per second, the world would look very different. Includes stills and video clips. |
| SETI Institute | SETI, the Search for Extraterrestrial Intelligence, is an exploratory science that seeks evidence of life in the universe by looking for some signature of its technology. |
| Sloan Digital Sky Survey | The Sloan Digital Sky Survey (SDSS) will provide detailed optical images covering more than a quarter of the sky, and a 3-dimensional map of about a million galaxies and quasars. |
| Solar Dynamics Observatory (SDO) | The first Space Weather Research Network mission in the Living With a Star Program of NASA. SDO is being designed to help us understand the Sun's influence on Earth and Near-Earth space by studying the solar atmosphere on small scales of space and time and in many wavelengths simultaneously. |
| SOHO Exploring the Sun | The ongoing Solar & Heliospheric Observatory mission, including photo gallery, Science operations, and Free Stuff. |
| Solar System Exploration | Sections for news events, missions, multimedia, education, history and more. Introductory slide show on the first page. |
| SPACE.com | A wide range of news and information on space-related flight, science, technology, and entertainment, as well as links to SETI. |
| Spacewatch Project at University of Arizona | The primary goal of Spacewatch is to explore the various populations of small objects in the solar system, and study the statistics of asteroids and comets in order to investigate the dynamical evolution of the solar system. |
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TransitSearch |
The purpose of transitsearch.org is to coordinate and direct a cooperative observational effort which will allow experienced amateur astronomers and small college observatories to discover transiting extrasolar planets. |
| U.S. Naval Observatory | The USNO site has Sun & Moon positions, eclipse data, and occultations. |
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Venus Transit Overview |
Observing hints, resources, math and science of transits, FAQ and more. |
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Venus Transit 2004 & 2012 by Fred Espanak |
Article on the NASA/Goddard "Eclipse" website with worldwide viewing maps and info about the transit cycle. Includes info about the 2012 transit. |
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Venus Transit 2004 ESO Project |
This website describes the VT-2004 project of the European Southern Observatory. Participate in an international program of real-time observations as well as a video contest. |
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Venus Transit March by John Philip Sousa |
John Philip Sousa (1854-1932) was very interested in the 1882 transit of Venus. In 1882-3 he wrote his 'Venus Transit March'. Visit this special section of our website where you can view the cover page of the 1889 sheet music, play the march on your piano, or listen to two complete versions of this enticing score! |
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Venus Transit Parallax Calculation and Certificate |
This site shows a simplified calculation of parallax. The Astronomical League will award a certificate to any of its members who complete the observation of the transit and fulfill the other components described. |
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Venus Transit Parallax Calculator |
This site explains both Halley's and Delisle's methods of parallax calculation. It also includes an online calculator for both methods. |
| Virtual Reality Moon Phases | This U.S. Naval Observatory site can display a realistic view of the Moon's phase for any date from 1800 to 2199. |
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Page last updated 07/11/2007 |