Do you like Earth? Yeah, it's pretty neat, huh? Well despite living on a planet as awesome as our own, astronomers are super eager to find more Earths, just for fun. A planet called Gliese 1132 B (GJ 1132b if you feel like making it slightly shorter) is one such planet. It's called a "Super Earth" because it's larger than our own planet, but is thought to be made of similar stuff, and researchers just discovered something extremely awesome that makes GJ 1132b the most Earth-like exoplanet humans have ever found: it has an atmosphere.
Finding planets in the depths of space that bear similarities to Earth is a long and complicated process. First we have to find the planet itself, then we have to determine its size, take an educated guess as to what it's made out of, and figure out how far away it sits from its star. If all […]