The 8 Most Earth-Like Planets Scientists Have Discovered…So Far

No. 4: Tau Ceti e

Photo Credit: Icalanise

Earth Similarity Index: 74%

Tau Ceti has been around for twice as long as our solar system and it is home to a planet that bears some Earth-like resemblance. With nearly half of the light that our own planet receiver, Tau Ceti e does have the ability to potentially sustain life.