Dawn spacecraft approaches protoplanet Vesta
Friday, June 10, 2011 - 05:00
in Astronomy & Space
(PhysOrg.com) -- 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 likely awaiting the spacecraft.