Astronomy & Observatories
Amazing SpaceLearn about black holes, comets, asteroids, gravity, the solar system and much more.
Astronomy for KidsLearn about the moon, sun, stars, planets, etc. Easy to read format.
Constellation ListLists all 88 constellations. Click on the constellation, scroll down to see what it looks like up in the sky. Then scroll down further to read its description and any myth associated with it.
Current Moon PhaseLook at the phases of the moon for a specific date.
Earth Observation SatellitesFind out where all the satellites orbiting Earth are right now. Light and dark areas depict day and night.
Moons of Uranus: Facts About the Tilted Planet's SatellitesDiscover how space missions discovered the moons of Uranus.
Uranus' "Sprightly" Moon ArielAriel's seasonal cycle makes it a unique moon of Uranus.
Fly Through Pluto Moon Charon's Giant Canyon in Spectacular New VideoLook at amazing images of Pluto's big moon.
Solar Views: CharonCharon and Pluto were discovered at the same time. Solar Views describes the characteristics of the the moon.
Why are Pluto and Charon So Different?Pluto and Charon could not be more different. Click the link to find out how they are so different.
Deimos: Facts About the Smaller Martian MoonThis small moon was so close to its parent that it took years to be discovered.
The Planets: Deimos FactsThePlanets.org provides facts about one of Mars' moons.
Universe Today: Mars' Moon DeimosUniverse Today provides facts and characteristics of this small space object.
Discovery Science News - Ganymede: Facts About Jupiter's Largest MoonRead about the large moon and watch a clip about it trip around the large planet.
Ganymede: Facts About Jupiter's Largest MoonGanymede is the largest satellite in the solar system. Learn about the huge object orbiting Jupiter.
NASA Confirms There's an Ocean on Jupiter's Moon GanymedeIn 2015, NASA confirms there is an ocean on Ganymede according to Hubble Space Telescope observations.
OberonExplore the ninth-largest moon in the solar system.
Oberon: In DepthNASA describes the moons features.
Solar Views: OberonQuick facts about Uranus' moon Oberon.
Sirius: Brightest Star in Earth's Night SkyThe Dog Star is one of the easiest stars to spot in the night sky.
Sirius is Dog Star and Brightest StarExplore the origins of the brightest star in the sky.
What are the Dog Days of Summer?The Old Farmer's Almanac explains the phrase and its relation to the Dog Star.
Rigel in Orion is Blue-WhiteRigel is one of the brightest starts in the night sky.
Rigel StarQuick facts about the Rigel Star.
Universe Guide: RigelUniverse Guide provides facts about the star Rigel in the constellation of Orion.
NASA Overview: TitanNASA provides information about Saturn's largest moon.
Titan: Facts About Saturn's Largest MoonLearn about Titan's statistics and other facts about the large moon.
Habitable Titan? Cassini, Huygens Revealed Wonders of Saturn's Biggest MoonCassini has studied the giant moon for many years and can now tell us how similar and different it is to Earth.
Wolf-Rayet StarsThe first Wolf-Rayet star was discovered in 1867. Click here to learn how they "live fast and die hard."
What is a Wolf-Rayet Star?Learn how huge stars begin to die in the sky.
Wolf-Rayet Stars: Sounds Like Sci-Fi, But Full of Sci-FactThe sites explains what the strange star looks like.
Capture the Cosmos: Solar SystemLearn about the solar system and collect solar system trading cards while playing the online activities.
Learn About the Whirling, Twirling PlanetsA planet is a large space object, which revolves around a star. It also reflects that star's light. Nine planets have been discovered in our solar system. Click here to learn more! (Excellent site, easy to read)
Our Solar SystemWant to know more about planets, comets, asteroids, and the sun? This site has information on all this and more.
Zoom AstronomyVisit the Enchanted Learning site to learn about the planets. Look at the picture that shows the order of the planets from the sun. Find out what the temperature is on each planet, how long is a day on each planet as compared to earth--look at the chart, look at the chart called "Planets in our Solar System" to find out how many moons each planet has & to find out the distance from the sun. Get coloring pages, take a planet quiz, find some fun crafts.
How Space Stations WorkThe first space station was sent into space in 1971. Learn how a space station orbits the Earth and how the station supports life.
NASA for KidsVisit this interactive site to learn about astronauts living in space, space and beyond, rockets and airplanes and our Earth.
NASA Human Space FlightLearn the history of manned spacecraft missions including Mercury, Apollo, and Shuttle-Mir project.
Space ExplorationView a timeline of space exploration and learn about astronomers.