There’s a Rocky Exoplanet Just 21 Light-Years Away
NASA has proven itself to be quite adeptat finding planets lately, and this week is no exception: using the Spitzer Space Telescoe, scientists at the Jet Propulsion Lab have found HD 219134b, a rocky exoplanet ‘just’ 21 light-years away. Unlike Kepler 452-b, the recently-discovered rocky exoplanet, HD 219134b orbits too close to its star for…