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	Resources On this page  News & Features FAQs Keywords AstroGlossary Terms Links Other Topics Solar System  Sky Diamond (September 8, 2008) The Rosetta spacecraft snapped this sequence of images of 2867 Steins as it sped past the asteroid on September 5. The diamond-shaped asteroid is about three miles across, and has a mile-wide impact crater on its top side. Rosetta scanned the asteroid to test its instruments for its main mission, an encounter with the comet 67P/Churyumov-Gerasimenko in 2014. [©2008 ESA/MPS/OSIRIS Team] » More Solar System images in the Image Gallery News & Features » Get the latest on the exploration of Saturn and its moons on our Cassini Updates & Images page. » Venus Transit the Sun In the early morning hours of June 8, 2004, Venus crossed the face of the Sun, looking like a small black dot against the bright solar disk.  » Get the latest news on Mars exploration and the search for life on the Red Planet from pages of StarDate magazine.   » Get all the facts and information on all the latest explorations in the Solar System Guide. » Planet Search Continues With New Techniques (StarDate magazine) » Roving Reporter: Pathfinder on Mars (StarDate magazine) » The Comet Cometh: A Life-Changing Event (StarDate magazine) Frequently Asked Questions Do all planets orbit the Sun in the same direction? How and when did the solar system form? How big is the solar system? Is there a tenth planet in our solar system? Is there life on Mars? What are comets made of? Keywords Asteroids Ceres Comets Jupiter Jupiter's Great Red Spot Jupiter's Moons Kepler's Laws Mars Mars' Moons Martian Surface Mercury Meteors and Meteorites Naming of Solar System Objects and Features Neptune Neptune's Moons Orbits Origins of the Solar System Planetary Rings Pluto Pluto's Moons Retrograde Motion Saturn Saturn's Atmosphere Saturn's Moons Saturn's Rings Solar System Uranus Uranus' Moons Venus Venusian Surface Water and Water Ice AstroGlossary Terms Terms to learn or review include Cassini division, Oort Cloud, astronomical unit, aphelion and perihelion. Links Center for Mars Exploration Solar System Exploration NASA's Mars Exploration Program Cassini Mission to Saturn Voyager Mission to the Outer Planets ESA Mars Express Messenger Mission to Mercury New Horizons to Pluto
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