Did you know that astronomers have found a bunch of potential “Earth 2.0” candidate planets scattered around the universe? More than 2,000 in fact, and one in particular, which NASA dubbed Kepler 22-b after the supercharged telescope that spotted it, spins around its own sun just 600 light-years away.
The apparatus will search for light emissions from distant galaxies. Scientists say light beams would be a logical way for alien civilizations to attempt communication.