The 6 Most Earth-like Alien Planets

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The 6 Most Earth-like Alien Planets

Message  gerardM le Dim 9 Aoû - 23:32


Scientific American magazine

To qualify as potentially life-friendly, a planet must be relatively small (and therefore rocky) and orbit in the “habitable zone” of its star, which is loosely defined as a location where water can exist in liquid form on a world’s surface.

The 6 Most Earth-like Alien Planets
Discovering the first true “alien Earth” is a long-held dream of astronomers. Recent exoplanet discoveries suggest that their dream will come true in the not-too-distant future

Please feel free to point out big mistakes in my messages in a foreign language. Thanks to your remarks, I'll be able to improve my level.
PS: Pls note that I chose American English for my vocabulary, grammar, spelling, culture, etc.  :-)

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