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Atheist Forums › Science › General Science v
Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1

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Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1
Anomalocaris Offline
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#51
RE: Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1
February 24, 2017 at 9:30 pm
(February 24, 2017 at 9:10 pm)vorlon13 Wrote: This 'star' with the 7 (so far) detected planets is not remotely sun like. And without a sunlike star, no planet there is going to be remotely earthlike.

Period.

IIRC, our sun would be visible to a human naked eye from an actual earthlike planet up to at least 30 lightyears away.  This poser of a star wouldn't be visible without equipment from my backyard if it was even 1 light year away.

Earth like in the sense of having surface conditions able to support liquid water. That does not require the star to be anything near sun like.
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vorlon13 Offline
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#52
RE: Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1
February 24, 2017 at 9:31 pm
I'm picky.
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ignoramus Offline
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#53
RE: Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1
February 25, 2017 at 1:26 am
Guys, can we use gravity to slow down from those speeds?
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Atheist Forums › Science › General Science v
Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1

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