Click on any link to view: Astromomical Twilight times for a year Be sure not to miss the links to other Timetables for a year at the bottom of the page!
Skymaps.com "At Skymaps.com, we create quality, digital sky maps (star charts) for publication, education and other commercial applications. Choose from existing designs or request custom-made maps to meet your specific requirements."
Space Calander "The Space Calendar covers space-related activities and anniversaries for the coming year. Included are over 1,800 links to related home pages."
Wunderground Enter your zip code and see your personal star map. Then on the interactive chart, click on a star, planet, sun or moon for more information. (Description, position, coordinates, distance from viewer, etc.)
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ESA - Space Science - Sounds from space Featuring the Sounds of Enceladus; Song of the Sun; Dawn in space; Atmospheric squeaking; Cassini-Huygens passing through Saturn's rings; Auroral 'Star Wars'; Marsquake; and the Wailing of the Leonids
NASA - Spooky Space 'Sounds' Hear intriguing radio waves that NASA's Cassini spacecraft collected near Jupiter, hear ghostly planetary plasma waves collected by NASA's Voyager 2, listen to the strange whistle of ultra-cold liquid helium-3 that changes volume relative to the North Pole and Earth's rotation and hear the weird radio emissions Galileo gathered from Jupiter's largest moon, Ganymede.
Selected Sounds of Space This is a sampling of some of Professor Don Gurnett's favorite sounds of space.
Sounds from space Sound files and spectral or amplitude images of various satellite signals are provided here.
Space Audio The sounds of space derived from spacecraft measurements obtained by Professor Donald Gurnett and the University of Iowa radio and plasma wave group.
Spacesounds Navigator "Explore our Solar System and beyond as you search for actual spacesounds! Learn about spacesounds and navigate your way through their origins."
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Space Weather Prediction Center The Space Environment Center (SEC) provides real-time monitoring and forecasting of solar and geophysical events, including current space weather, solar images, and auroral activity.
SpaceWeather.com Updates on solar and auroral activity. Details atmoshperic phenomena and lists currently observable near-Earth asteroids.
All About SETI Space.com explains seti, seti project, what is seti, online seti articles and seti articles and information.
JBO - SETI index "These pages will give you information about the history of SETI and the observations being carried out at present. The "SETI questions" page gives answers to some of the questions most commonly asked of SETI scientists. These pages have been awarded the SuperStar website award by the SETI League."
SERENDIP The SERENDIP SETI program is a search for radio signals from extraterrestrial civilizations; it is currently conducting a sky survey at the world's largest radio telescope.
SETI Institute The Mission of the SETI Institute is to explore, understand and explain the origin, nature and prevalence of life in the universe.
SETI League, Inc. "The SETI League is a grassroots, international alliance of amateur and professional radioastronomers, radio amateurs, microwave experimenters and digital signal processing enthusiasts, who have banded together in a systematic, scientific search of the heavens to detect credible evidence of intelligent, extra-terrestrial life."
SETI@home SETI@home is a scientific experiment that uses Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI). You can participate by running a free program that downloads and analyzes radio telescope data.
Jupiter: Moons Offers overview, images and data on 63 of Jupiter's Moons. NASA Site Network
Planet and Satellite Names and Discoverers This page shows information about planetary bodies named by the IAU Working Group for Planetary System Nomenclature (WGPSN), and about bodies named by the IAU Committee on Small Body Nomenclature that have surface features named by the WGPSN.
Planetary Satellite Discovery Circumstances The tables below show the discovery circumstances of planetary satellites officially recognized by the International Astronomical Union (IAU). A total of 167 planetary satellites (not including Earth's moon) are represented below. References are listed where known. These data were last updated 2007-Dec-28.
Saturn: Moons From the cloud-shrouded surface of Titan to crater-riddled Phoebe, each of Saturn's moons tells another piece of the story surrounding the Saturn system. NASA Site Network.
Table of Moons in our Solar System As of June 2007, there are 169 known natural moons orbiting planets in our Solar System. 165 moons orbit the "full-size" planets (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune), while 4 moons orbit the smaller "dwarf planets" (Pluto, Eris, and Ceres).
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***LIVE REAL TIME SATELLITE TRACKING*** "Real time satellite tracking web application. Over 8000 satellites real time tracked. Other thousands of objects in our database."
NASA Satellite Realtime Tracking "We hope you enjoy J-Track 3-D. It should appear in its own window and begin loading a database of over 900 satellites.
NOAA Satellites "Provides extensive resources on weather, oceanography and related satellite services by the government in USA."
Satellite and ISS Predictions "If you're interested in satellites or astronomy, you've come to the right place! Our aim is to provide you with all the information you need to observe satellites such as the International Space Station and the Space Shuttle, spectacular events such as the dazzlingly bright flares from Iridium satellites as well as a wealth of other spaceflight and astronomical information."
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Quasars.Org "This page provides links to the QORG optical catalogue of radio/X-ray objects plus a few informal treatises on what we know, or can know, about our Universe."
APOD: 2001 June 2 - The Pulsar Powered Crab Great Photo! The core of the star collapsed to form a rotating neutron star or pulsar, one of the most exotic objects known to modern astronomers.
The Sounds of Pulsars These sounds are from the brightest pulsars in the sky, recorded using some of the largest radiotelescopes in the world. To hear the sound of a pulsar, click on its arrow icon.
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The Nine Planets Solar System Tour Information about each planet and moon in our solar system with many pictures, discussion of the history of its discovery, exploration, and physical characteristics.
Views of the Solar System "Views of the Solar System presents a vivid multimedia adventure unfolding the splendor of the Sun, planets, moons, comets, asteroids, and more. Discover the latest scientific information, or study the history of space exploration, rocketry, early astronauts, space missions, spacecraft through a vast archive of photographs, scientific facts, text, graphics and videos."
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HEASARC: Observatories These Web pages describe all the high energy astronomy observatories, or "missions," ever launched. The links to the left are dedicated to the most notable missions.
Mauna Kea Observatories The 4200 meter high summit of Mauna Kea in Hawaii houses the world's largest observatory for optical, infrared, and submillimeter astronomy.
National Optical Astronomy Observatory Information, news, resources, outreach programs, gallery, observing information, software, and newsletter and reports.
National Radio Astronomy Observatory (NRAO) The National Radio Astronomy Observatory (NRAO) designs, builds, and runs the world's most sophisticated radio telescopes for scientists.
University of California Observatories The University of California Observatories (UCO) is a Multi-Campus Research Unit of the University of California.The box on the bottom right will enlarge the screen and the arrow on the bottom right will show more related videos.The box on the bottom right will enlarge the screen and the arrow on the bottom right will show more related videos.
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International Meteor Organization "The International Meteor Organization (IMO) was founded in 1988. IMO was created in response to an ever growing need for international cooperation of meteor amateur work. The collection of meteor observations by several methods from all around the world ensures the comprehensive study of meteor showers and their relation to comets and interplanetary dust."
Leonid MAC Background facts on meteors and meteor showers.
Meteors and Meteor Showers Descriptions and explanations of what causes meteors, as well as the history of its study.
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Messier Objects By Type The Messier objects list arranged by object type: nebulae, clusters, galaxies, and other kinds of objects not under any major category.
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