Probably one of the coolest things to imagine is life on another planet! What would it look like? What could it possibly be? Scientists have discovered a planet much like Earth. "I would say that the chances for life on this planet are 100 percent. I have almost no doubt about it," so says astronomer Vogt. Read about this Goldilocks-type of planet.

Additional Tags

alien life, life on other planets, gliese 581g, pbs, planet like earth, search for alien life

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Classroom Considerations

• Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)