University of Tennessee scientist searches for moons around asteroids


Most people know that some planets have moons but would be surprised to know that some asteroids do, too. According to Joshua Emery, assistant professor of earth and planetary sciences at the University of Tennessee,…

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NASA’s Dawn spacecraft approaches protoplanet Vesta


NASA‘s Dawn mission to the doughnut-shaped asteroid belt between Mars and Jupiter, which launched in September 2007, is now approaching Vesta, a protoplanet that is currently some 143 million miles from Earth. Many surprises are…

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