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Life on Europa?Life on Europa Life on Europa could exist in a salty ocean deep below its frozen surface. Universe PicturesUniverse Pictures Pictures of the Universe Views of the most interesting objects in our universe by NASA. Geology ToolsGeology Tools Geology Tools - Hammers, field bags, hand lenses, maps, hardness picks, gold pans. Gems from SpaceGems from Space Extraterrestrial Gems Numerous materials from space are used as attractive gems.
Impact CratersImpact Craters Map Asteroid Impact Craters! See 50 of Earth\'s largest impact craters with Google Maps. Geology of PlutoGeology of Pluto Geology of Pluto NASA finds craters, nitrogen ice flows, mountains, and possible dunes. Moon StructureMoon Structure Moon\'s Internal Structure The Moon has a structure similar to earth and an iron-rich core. MeteoritesMeteorites Meteorites - Rocks that were once parts of planets or large asteroids.
Who Owns the Moon?Who Owns the Moon? Who Owns the Moon? Does the U.S. have any claim to the Moon, asteroids or planets? Diamonds In SpaceDiamonds In Space Diamonds In Space Diamonds have been found in meteorites and other celestial bodies. Near-Earth AsteroidsNear-Earth Asteroids Near-Earth Asteroids Since Earth formed it has been hit with rocks from space. Rocks on MarsRocks on Mars Rocks on Mars Many of the rocks found on Mars are not very different from Earth rocks.
Titan SubmarineTitan Submarine Exploring a Hydrocarbon Sea on Titan with a submarine is a potential NASA mission. Largest Impact CraterVredefort Impact Crater The Vredefort Crater is the largest and 2nd oldest impact crater visible on Earth. Volcanoes in SpaceSolar System Volcanoes Active Volcanoes in other parts of the solar system are different from those on Earth. Volcanoes on MarsMars Volcanoes Olympus Mons is the highest point on Mars and largest volcano in the solar system.
Antarctic Meteoriteshunting meteorites in Antarctica The Richest Meteorite Field - More meteorites found here than anywhere else on Earth. Asteroids and EarthEarth-Crossing Asteroids Earth-Crossing Asteroids Can we do anything about an asteroid that is might hit Earth? Volcanoes on VenusVolcanoes on Venus Volcanoes on Venus? The surface of Venus is covered by lava flows and shield volcanoes. Olivine Rain?olivine rain Olivine Rain? Space Telescope detects olivine crystals raining on a distant star.
Vesta MeteoritesVesta Meteorites Vesta Meteorites About 5% of the meteorites found on Earth are from the asteroid Vesta. Lunar Rift Systemlunar rift system Lunar Rift System? Gravity maps revise the geologic history of the near side of the moon.    

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