Spacecraft Reaches Dwarf Planet With Unexplained Bright Spots

NASA’s Dawn spacecraft made history at 7:39 a.m. Friday when it became the first to enter a dwarf planet’s orbit. A signal reached mission control at NASA’s Jet Propulsion Laboratory at 8:36 a.m. EST, confirming that Dawn had successfully reached Ceres, the biggest object in the asteroid belt between Mars and Jupiter. “Since its discovery in…