In case we ever destroy our little blue planet, we might have options, thanks to the discovery of what astronomers are calling a planet capable of supporting life. The discovery of Gliese 667Cc is being touted as the "holy grail" because it falls within a "habitable zone," meaning, like Earth, it's not too close or too far away from the star it orbits, and instead is the perfect distance. Astronomers estimate the planet is four-and -a-half times bigger than Earth and is a quick 22 light years away. But, considering the space shuttle traveled at a sluggish 17,500 mph, we might need a quicker ride if we hope to get there anytime soon.
