System of Super-Earths Discovered Around A Nearby Star

If you look up at Earth’s night sky and find the constellation Cetus — it looks something like a sea monster — you might also notice a rather average looking star called Tau Ceti. It’s slightly smaller than our sun and sits just 12 light years from Earth.

Now, a new study suggests that the system has at least four planets, and two of them orbit on the edge of their habitable zones — the region where liquid surface water might exist. All four are likely super-Earths, and some could potenti

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