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/sci/ - Science & Math

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2550436 No.2550436 [Reply] [Original]

Wouldn't a planet being in tidal lock guarantee there atleast being some part on it's surface that was a good temperature for life, even if compared to Earth it was much closer or farther to it's sun?

>> No.2550451

No. If the directly-insolated side is still too cold, you're fucked. If the completely-shadowed side is still too hot, you're fucked.

>> No.2550486
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2550486

To an extent, yes. There will be a thin "twilight" region around the border of the planet between the dark and light side where the temperature might be suitable for some form of life.
But a tidally locked planet is going to have to be very close to its parent star to be tidally locked in the first place. So it will probably be fairy hot. There's other variables to take into consideration too, like the temperature of the sun and the gas thickness, density, and composition of the planet's atmosphere. a Thick greenhouse gas type planet will most certainly have lesser fluctuations in its temperature between sides because heat will radiate away slowly, giving more time for it to spread to the other side of the planet through atmospheric currents. Or, a planet without any atmosphere at all, well, that's not going to be able to support much life at the surface because the UV radiation will ruin a lot of the biochemistry.

>> No.2550553

OP, who is this girl? I want moar