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Active Volcanoes!Solar System Volcanoes Active Volcanoes occur in other parts of the solar system. They are different from those on Earth. Rocks on MarsRocks on Mars Rocks on Mars Many of the rocks found on Mars are not very different from Earth rocks. Universe PicturesUniverse Pictures Pictures of the Universe Views of the most interesting objects in our universe by NASA. Olivine RainOlivine Rain Olivine Rain Spitzer Telescope discovered a rain of olivine crystals on protostar HOPS-68.
Largest Impact CraterVredefort Impact Crater The Vredefort Crater is the largest and 2nd oldest impact crater visible on Earth. Gems from SpaceGems from Space Extraterrestrial Gems A number of materials from space have been used as attractive gems. Planets CollidePlanet Collision Planet Collision The Spitzer Space Telescope detects an ancient impact. Dinosaur KillerDinosaur Killer Where Did the Dinosaur-Killing Asteroid Come From? WISE telescope investigates.
Volcanoes on MarsMars Volcanoes Olympus Mons is the highest point on Mars and largest volcano in the solar system. Moon StructureMoon Structure Moon\'s Internal Structure The Moon has a structure similar to earth and an iron-rich core. Life on Europa?Life on Europa Life on Europa could exist in a salty ocean deep below its frozen surface. Diamonds In SpaceDiamonds In Space Diamonds In Space Diamonds have been found in meteorites and other celestial bodies.
Volcanoes on VenusVolcanoes on Venus Volcanoes on Venus? The surface of Venus is covered by lava flows and shield volcanoes.      

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