It’s been nearly 20 years since astronomers first identified a planet outside our solar system. More than 500 exoplanets have been discovered since then, yet it’s not clear if even one of them might be habitable
Read More »It’s been nearly 20 years since astronomers first identified a planet outside our solar system. More than 500 exoplanets have been discovered since then, yet it’s not clear if even one of them might be habitable
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