Scientists say exoplanet 100 light years from Earth may be covered with deep ocean
The exoplanet orbits "a nearby visual-binary M dwarf" star
Earth was hit by another huge asteroid at the same time as the one that wiped out dinosaurs, vast crater suggests
The new crater, nicknamed Nadir, appears to have been caused by something that would be comparably destructive on its own
Danish physicist Lene Hau was able to slow down the speed of light to 38 mph & was eventually able to manipulate it
She discovered she was moving quicker than her light beams...