This weird planet sports a giant tail like a comet

Astronomers have accidentally found a planet with a debris trail like a comet that stretches up to 5.5 million miles in space. This strange exoplanet, located 140 light-years away from Earth in the constellation Pegasus, appears to be rapidly falling apart. Its blistering host star is so close, the radiation is effectively melting it down, leaving behind a long tail of dust. Scientists say the rocky world, labeled BD+05 4868 Ab, is losing about one Mount Everest's worth of rock materia