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How could a planet exist without any solid surface?

Even if it a gas giant, it would still some rock beneath to hold the gases. 

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  • 2 months ago

    The planets, gaseous planets, do exist because of the strong gravitational pull among the gaseous molecules, which is actually keeping them together. Also, these gases due to such pull become close enough that it appears like a solid. A very good example is Jupiter and Uranus, both these planets are two largest planets in solar system and are mainly gaseous.

     

    • Zardoz
      Lv 7
      2 months agoReport

      Saturn is seven times as massive as Uranus.

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  • 2 months ago

    No solid surface required, just gravity and time, be safe.

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  • Clive
    Lv 7
    2 months ago

    Why does there have to be rock? There isn't any in the middle of a star so why do planets have to be different?

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  • 2 months ago

    That is the case even in the Gas and Ice Giants as it is

     Jupiter, underneath its Mighty Atmosphere has a proposed, Layer of Liquid, Metalic Hydrogen

    Imagine what pressure that is under to happen Naturally,

    never mind in a Lab

     What lies at the bottom of that particular sea ?? Indeed

    Jupiter has the strongest Magnetic Field of all the Solar System's Planets

    It actually stretches as far a Saturn's Orbit

    It would have to take a Mighty Metallic Core to produce that, and probably does

    They all have similar make ups

     Uranus, Reflects the least Radiation, it is colder even than Pluto

     For some reason its Core is as cold as ice and spins Separate from its Geographical Axis

     Its Core is thought to be the same size as Earth

    And according to Planetary History, Early in its Formation in the Inner Solar System it suffered from a severe Impact which left it at its Crazy Tilt

    Migrating out, it picked up its own Gases

    Coming back in to Tiny Mercury, It suffered a Mighty Impact, which left just what was its Core

    For its size, it is Highly Magnetic

    Even Pluto is suspected of having a Radioactive Core

    Attachment image
    Source(s): The Crowned King of the Planets
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  • 2 months ago

    I think most planets have a solid core.  The carnegie science website has a pretty good explanation of how this might happen.

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  • MARK
    Lv 7
    2 months ago

    How would rocks hold the gases? They would not. That is nonsense.

    All that is required for gravity to act on is mass and gravity leads to planets when the mass is sufficient.

    • D g
      Lv 7
      1 month agoReport

      what do you think is  an atmosphere lol   gravity holds  gases or  solids  they are particles and have gravity ..

      the problem with gas's they have a lot of kinetic energy  ..so untill you have alot of them in one area they will fly away

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  • 2 months ago

    All matter has the property of mass... whether that matter is solid, liquid, or gas isn't an issue. While the gas giants in our solar system are thought to contain rocky cores, it isn't a requirement to 'build' a planet. 

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  • ANDY
    Lv 5
    2 months ago

    I wouldn't go so far to ask about this since stars are in a gaseous state. A nebula is all gas and is compressed to form a star. So why should a massive planet like Jupiter or Saturn have a solid surface. They do, presumably, have a rocky core, though.

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  • Anonymous
    2 months ago

    In a different dimension where an 

    anti-surface would be the surface. 

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  • 2 months ago

    It could have an ice core.

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