universetoday.com
Companion Planet Could Keep Alien Earths Warm In Old Age: Study - Universe Today
People are generally social creatures, and in the case of planets that generally is the case as well. Many of these alien worlds we have discovered are in groups of two or more around their parent star or stars. A new study, however, goes a step further and says that a companion planet could actually … Continue reading "Companion Planet Could Keep Alien Earths Warm In Old Age: Study"