Lonely planet

Discussion in 'Astronomy, Exobiology, & Cosmology' started by Saint, Dec 31, 2019.

  1. Saint Valued Senior Member

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    Is there any planet not revolving any star (like Earth), and travelling lonely in space?
     
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  3. Michael 345 New year. PRESENT is 70 years old Valued Senior Member

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    The table below lists rogue planets, confirmed or suspected, that have been discovered. It is yet unknown whether these planets were ejected from orbiting a star or else formed on their own as sub-brown dwarfs.

    https://en.m.wikipedia.org/wiki/Rogue_planet

    This might extract might help

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  5. RainbowSingularity Valued Senior Member

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    earth magnetic field that protects from cosmic radiation ...
    atmosphere...
    global heating requirement to sustain life...

    there are a few obstacles

    i recall very vaguely reading some postulation by physicists about the potential being quite a possibility.
    however...
    the probability is even more ridiculously smaller than finding intelligent life in our own solar system.
     
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