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Questions tagged [trappist-1]

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9 votes
1 answer
490 views

A Jupiter-sized star?

TRAPPIST-1 is described as "Jupiter-sized" (comparable radius), although at 8% of the Sun's mass, must be on the order of 100x greater (Jupiter : Sun is about 1 : 1000). This seems paradoxical and ...
Anthony X's user avatar
  • 17.5k
6 votes
2 answers
2k views

Why is TRAPPIST-1f considered habitable?

The TRAPPIST-1f is in the TRAPPIST-1 system discovered recently with seven planets. Three of them are said to be in the habitable zone. But the data says that the average temperature on the TRAPPIST-...
KKZiomek's user avatar
  • 325
1 vote
1 answer
175 views

What are the chances of life on 7 Earth-like exoplanets discovered by NASA? [closed]

NASA has announced the discovery of 7 Earth-like exoplanets 13 hours ago. What are the chances of life there? Is it possible to see the ground of these planets from here? How far are they?
Ritesh.mlk's user avatar
-2 votes
3 answers
386 views

How come we can see nearby galaxies but are unable to see TRAPPIST-1?

How do we have telescopes that are powerful enough to see nearby galaxies, such as Andromeda (M31), but are unable to see TRAPPIST-1 or the other exoplanets in its solar system in detail when TRAPPIST-...
DestinyBriggs-Sallis's user avatar