introduction
Throughout the 20th century, our views of life on other planets has drastically changed. It was once thought to be an impossibility, as all we had seen of space showed us a barren landscape unfit for anything we would recognize as life. But, in the 21st century, our telescopes continue to discover planets in what we deem “habitable zones,” the small bands in solar systems in which a planet’s temperature is ideal to support life. Planets such as the newly discovered Planet KOI 172.02 may hold the key to discovering life outside of Earth