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A new planet has been found by Astronomers

daiwelly

By daiwelly
in The Astro Lounge

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SlyReaper

SlyReaper

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Hate to think how much I would weigh on that planet!

Just over 3 times as much as you do on Earth.  It's surface gravity is expected to be approximately 30 m/s^2.  Probably survivable in the short term.  What's not survivable is the surface temperature of 485K.  That would be quite uncomfortable. 

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davedownsouth

davedownsouth

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Just over 3 times as much as you do on Earth.  It's surface gravity is expected to be approximately 30 m/s^2.  Probably survivable in the short term.  What's not survivable is the surface temperature of 485K.  That would be quite uncomfortable. 

Bit of sun cream and a couple of ice lollies and you'll be fine 

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daiwelly

daiwelly

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Looking at its make up

Metallicity [Fe/H] −0.15 ± 0.04[2]

Hydrogen is present and Iron, only C is missing  to sustain life as we know it in primitive form, as for temp primitive life form live around some of the deep ocean vents on our planet, it is known that Europa has deep water oceans upto 100km deep with a Ice crust which thaws daily due to tidal forces which heats up the planet, and their all prerequisites exist. only a matter of time.

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SlyReaper

SlyReaper

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Not much hope for life at those temperatures!

Maybe a little hope. A planet that massive probably has a very dense atmosphere. Maybe dense enough to keep water liquid at 485 Kelvin? That temperature is well short of the critical temperature of water. And that's an average temperature, it may be cooler at the poles.

However, if the atmosphere is a greenhouse gas, that could make it too hot for organic chemistry to work.

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SlyReaper

SlyReaper

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Yep, about as hot as your average oven.  Certainly, if there's life that can live and evolve in that, it would be unlike anything we've ever seen, and the organic chemistry would be... interesting. 

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dan_uk

dan_uk

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In my opinion I think life could exist in extreme environments we could not believe possible, the only constraint is stability for long enough to allow life to evolve and adapt. The interesting thing about this planet is it's star has been around for over two times longer than the sun, if the planet has remained stable for longer than earth then who knows what kind of life manage to get going there. I wouldn't say the environment is the most extreme environment discovered so far either.

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