Astronomers discovered the TRAPPIST-1 system in 2017, which contains seven rocky planets orbiting a cool red dwarf star, with several of these planets located in the habitable zone where liquid water could potentially exist.
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Deep Dive
The discovery of the TRAPPIST-1 systemAdded:
Look at the transit signals. The data confirms it.
Seven planets orbiting right in the habitable zone. This is incredible.
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