Who’s the newest planet on the universe block?

It’s our baby brother! Remember the name “Kepler-22b”. Its surface temperature is a balmy 72 degrees; it orbits a star that is very similar to our sun; its year is even close to ours — 290 days. Don’t worry just yet, though, as scientists haven’t fully discovered what makes up its surface. But “the planet would likely be warm enough to host liquid water on its surface.” The scientists on the study are “getting really close, we are really homing in on the true Earth-sized habitable planets.” source

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