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Planet K2-18b "best candidate for habitability"

Discussion in 'Science and Technology' started by Stevicus, Sep 12, 2019.

?
  1. Yes

    2 vote(s)
    20.0%
  2. No

    4 vote(s)
    40.0%
  3. I don't know

    2 vote(s)
    20.0%
  4. Maybe

    2 vote(s)
    20.0%
  5. I thought I already was living on another planet

    1 vote(s)
    10.0%
Multiple votes are allowed.
  1. Stevicus

    Stevicus Well-Known Member
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    Water vapor found on an ‘Earth-sized’ exoplanet 110 light-years from home

    Well, this sounds cool. Let's all pack up our spaceships and get going.

    Oh darn...

     
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  2. Amanaki

    Amanaki Well-Known Member

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    In my view there is no need to find a "new home" because if we do as we did on earth we just destroy the next planet too. So better to find solution here on earth and fix what we done wrong so far here.
     
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  3. Subduction Zone

    Subduction Zone Veteran Member

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    Gravity there might be just a little uncomfortable.
     
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  4. Shad

    Shad Veteran Member

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    Reminds me of Firefly and the Alliance. Same core problems but with more "area" (moons, planets, etc) to draw resources from before critical mass is reached.
     
  5. Amanaki

    Amanaki Well-Known Member

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    I can not stop others from going, but i see no reason to leave this planet. And yes we do destroy earth, so we need to fix it insted of running away
     
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  6. Subduction Zone

    Subduction Zone Veteran Member

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    Actually not that bad, gravity wise. Though the planet has 8 Earth masses its gravity would only be 1.3 times Earth's acceleration. It also has a diameter about 2.5 times that of Earth. The square cubed law is in our favor for once.
     
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  7. sun rise

    sun rise "Let there be peace and love among all"
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    How do we know that we did not live on other planets in other lives before this one. We just forgot about those lives.
     
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  8. ChristineM

    ChristineM "Be strong" I whispered to my coffee.
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    Even a constant extra 1/3 body weight would take a lot of getting used to. But think of the workout, putting on muscle mass would be easy.
     
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  9. Subduction Zone

    Subduction Zone Veteran Member

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    No doubt all sorts of diseases would increase, heart disease especially, it is not as bad as I first thought that it would be. It would not be a pancake world.
     
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  10. Mock Turtle

    Mock Turtle Compassion, understanding, and tolerance.
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    No reason why we can't do both, since we know the Earth has a limited life (along with our Sun), but perhaps the priority should be in dealing with Earthly problems first.

    And according to this article, radiation might be a problem too:

    HST finds water vapor in atmosphere of habitable zone exoplanet – Astronomy Now
     
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  11. Amanaki

    Amanaki Well-Known Member

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    If the earth go down in the time i living on it, then that is something i accept. But i want to help the earth by living as green/eco friendly as possible. And yes just since the industrial revolution we humans have destroyed this planet almost to the none returnable
     
  12. Nowhere Man

    Nowhere Man Bompu Zen Man with a little bit of Bushido.

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    But if you came from there, and came here you would be Superman!
     
  13. Subduction Zone

    Subduction Zone Veteran Member

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    I wonder why they make that claim. Just being closed to the star is not a good reason. The star is a red dwarf so it should be putting out less ionizing radiation.
     
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  14. Polymath257

    Polymath257 Think & Care
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    I'm curious about that claim also. A red dwarf should be producing *less* UV radiation, for example, than our sun.

    Given the hydrogen in the atmosphere, I doubt there is much free oxygen, which means no ozone, which means more radiation gets through the atmosphere.

    On the other hand, the Earth didn't have much free oxygen for quite a while, yet bacterial life existed during that time. In fact, free oxygen is one of the markers they plan to use to say there could be life on another planet since it is made primarily by living things.
     
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  15. Revoltingest

    Revoltingest Greased up & ready for action!
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    I remember.
    And you still owe me $5 from a prior life.
     
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  16. Polymath257

    Polymath257 Think & Care
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    Don't forget to include interest!
     
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  17. Revoltingest

    Revoltingest Greased up & ready for action!
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    Speaking of which...
    Where's that atlatl you borrowed?
     
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  18. Polymath257

    Polymath257 Think & Care
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    Oh that? Well, that's how I died in my previous life. The spear I was trying to throw hit *me*.
     
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  19. Revoltingest

    Revoltingest Greased up & ready for action!
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    That can happen with those.
    Use a longer spear next time.
     
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  20. ChristineM

    ChristineM "Be strong" I whispered to my coffee.
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    Falling from what you would assume was a reasonably safe height would make it a pancake world
     
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