How many moons in the solar system have water?











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I've heard of a few moons in the solar system that have water, like europa and enceladus. However, I can't find information about whether there are other moons as well. I'm guessing there are more, but I'm not totally sure.



How many moons in the solar system have water (either liquid or frozen)?










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  • There is speculation that water exists underneath the surface of many giant planet moons. What level of evidence is required? The Wikipedia pages on the moons of Jupiter, Saturn and Uranus seem to have several suggestions.
    – Rob Jeffries
    Nov 28 at 22:20










  • @RobJeffries only the moons proven to have water.
    – public static void main
    Nov 28 at 22:21

















up vote
3
down vote

favorite












I've heard of a few moons in the solar system that have water, like europa and enceladus. However, I can't find information about whether there are other moons as well. I'm guessing there are more, but I'm not totally sure.



How many moons in the solar system have water (either liquid or frozen)?










share|improve this question






















  • There is speculation that water exists underneath the surface of many giant planet moons. What level of evidence is required? The Wikipedia pages on the moons of Jupiter, Saturn and Uranus seem to have several suggestions.
    – Rob Jeffries
    Nov 28 at 22:20










  • @RobJeffries only the moons proven to have water.
    – public static void main
    Nov 28 at 22:21















up vote
3
down vote

favorite









up vote
3
down vote

favorite











I've heard of a few moons in the solar system that have water, like europa and enceladus. However, I can't find information about whether there are other moons as well. I'm guessing there are more, but I'm not totally sure.



How many moons in the solar system have water (either liquid or frozen)?










share|improve this question













I've heard of a few moons in the solar system that have water, like europa and enceladus. However, I can't find information about whether there are other moons as well. I'm guessing there are more, but I'm not totally sure.



How many moons in the solar system have water (either liquid or frozen)?







solar-system natural-satellites






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 28 at 22:16









public static void main

1254




1254












  • There is speculation that water exists underneath the surface of many giant planet moons. What level of evidence is required? The Wikipedia pages on the moons of Jupiter, Saturn and Uranus seem to have several suggestions.
    – Rob Jeffries
    Nov 28 at 22:20










  • @RobJeffries only the moons proven to have water.
    – public static void main
    Nov 28 at 22:21




















  • There is speculation that water exists underneath the surface of many giant planet moons. What level of evidence is required? The Wikipedia pages on the moons of Jupiter, Saturn and Uranus seem to have several suggestions.
    – Rob Jeffries
    Nov 28 at 22:20










  • @RobJeffries only the moons proven to have water.
    – public static void main
    Nov 28 at 22:21


















There is speculation that water exists underneath the surface of many giant planet moons. What level of evidence is required? The Wikipedia pages on the moons of Jupiter, Saturn and Uranus seem to have several suggestions.
– Rob Jeffries
Nov 28 at 22:20




There is speculation that water exists underneath the surface of many giant planet moons. What level of evidence is required? The Wikipedia pages on the moons of Jupiter, Saturn and Uranus seem to have several suggestions.
– Rob Jeffries
Nov 28 at 22:20












@RobJeffries only the moons proven to have water.
– public static void main
Nov 28 at 22:21






@RobJeffries only the moons proven to have water.
– public static void main
Nov 28 at 22:21












2 Answers
2






active

oldest

votes

















up vote
6
down vote



accepted










It's probably easier to consider the reverse question: which ones don't have water.



Talking about the major satellites of the planets, there are only two which are not ice moons: our own Moon, which has ice deposits at the poles, and Io. As far as I am aware, the evidence for water on Io is tentative at best (e.g. Douté et al. 2004), so of the major planetary satellites, the answer is all of them have water (usually in the form of ice, but some of them also have liquid subsurface oceans) with the possible exception of Io.



The small satellites of the giant planets are probably icy but I'm not sure the possibility that one or two of them are dry rocky asteroids that have been captured has been fully excluded. Phobos and Deimos have rocky surfaces but the possibility of ice in the interior of the Martian moons has not been ruled out.



There are probably lots of ice-free asteroid moons but finding out which ones they are would require going there and checking whether there's any ice in the subsurface, so confirming this is not currently possible. Small solar system bodies in the outer system are probably going to be icy, so dwarf planet satellites (Charon, Vanth, etc.) all likely contain ice.






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  • I appreciate the cited links.
    – zahbaz
    Nov 29 at 2:33


















up vote
-1
down vote













As NASA missions explore our solar system and search for new worlds, they are finding water in surprising places. Water is but one piece of our search for habitable planets and life beyond Earth, yet it links many seemingly unrelated worlds in surprising ways
The most surprising water worlds are the five icy moons of Jupiter and Saturn that show strong evidence of oceans beneath their surfaces: Ganymede, Europa, and Callisto at Jupiter, and Enceladus and Titan at Saturn.





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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    6
    down vote



    accepted










    It's probably easier to consider the reverse question: which ones don't have water.



    Talking about the major satellites of the planets, there are only two which are not ice moons: our own Moon, which has ice deposits at the poles, and Io. As far as I am aware, the evidence for water on Io is tentative at best (e.g. Douté et al. 2004), so of the major planetary satellites, the answer is all of them have water (usually in the form of ice, but some of them also have liquid subsurface oceans) with the possible exception of Io.



    The small satellites of the giant planets are probably icy but I'm not sure the possibility that one or two of them are dry rocky asteroids that have been captured has been fully excluded. Phobos and Deimos have rocky surfaces but the possibility of ice in the interior of the Martian moons has not been ruled out.



    There are probably lots of ice-free asteroid moons but finding out which ones they are would require going there and checking whether there's any ice in the subsurface, so confirming this is not currently possible. Small solar system bodies in the outer system are probably going to be icy, so dwarf planet satellites (Charon, Vanth, etc.) all likely contain ice.






    share|improve this answer























    • I appreciate the cited links.
      – zahbaz
      Nov 29 at 2:33















    up vote
    6
    down vote



    accepted










    It's probably easier to consider the reverse question: which ones don't have water.



    Talking about the major satellites of the planets, there are only two which are not ice moons: our own Moon, which has ice deposits at the poles, and Io. As far as I am aware, the evidence for water on Io is tentative at best (e.g. Douté et al. 2004), so of the major planetary satellites, the answer is all of them have water (usually in the form of ice, but some of them also have liquid subsurface oceans) with the possible exception of Io.



    The small satellites of the giant planets are probably icy but I'm not sure the possibility that one or two of them are dry rocky asteroids that have been captured has been fully excluded. Phobos and Deimos have rocky surfaces but the possibility of ice in the interior of the Martian moons has not been ruled out.



    There are probably lots of ice-free asteroid moons but finding out which ones they are would require going there and checking whether there's any ice in the subsurface, so confirming this is not currently possible. Small solar system bodies in the outer system are probably going to be icy, so dwarf planet satellites (Charon, Vanth, etc.) all likely contain ice.






    share|improve this answer























    • I appreciate the cited links.
      – zahbaz
      Nov 29 at 2:33













    up vote
    6
    down vote



    accepted







    up vote
    6
    down vote



    accepted






    It's probably easier to consider the reverse question: which ones don't have water.



    Talking about the major satellites of the planets, there are only two which are not ice moons: our own Moon, which has ice deposits at the poles, and Io. As far as I am aware, the evidence for water on Io is tentative at best (e.g. Douté et al. 2004), so of the major planetary satellites, the answer is all of them have water (usually in the form of ice, but some of them also have liquid subsurface oceans) with the possible exception of Io.



    The small satellites of the giant planets are probably icy but I'm not sure the possibility that one or two of them are dry rocky asteroids that have been captured has been fully excluded. Phobos and Deimos have rocky surfaces but the possibility of ice in the interior of the Martian moons has not been ruled out.



    There are probably lots of ice-free asteroid moons but finding out which ones they are would require going there and checking whether there's any ice in the subsurface, so confirming this is not currently possible. Small solar system bodies in the outer system are probably going to be icy, so dwarf planet satellites (Charon, Vanth, etc.) all likely contain ice.






    share|improve this answer














    It's probably easier to consider the reverse question: which ones don't have water.



    Talking about the major satellites of the planets, there are only two which are not ice moons: our own Moon, which has ice deposits at the poles, and Io. As far as I am aware, the evidence for water on Io is tentative at best (e.g. Douté et al. 2004), so of the major planetary satellites, the answer is all of them have water (usually in the form of ice, but some of them also have liquid subsurface oceans) with the possible exception of Io.



    The small satellites of the giant planets are probably icy but I'm not sure the possibility that one or two of them are dry rocky asteroids that have been captured has been fully excluded. Phobos and Deimos have rocky surfaces but the possibility of ice in the interior of the Martian moons has not been ruled out.



    There are probably lots of ice-free asteroid moons but finding out which ones they are would require going there and checking whether there's any ice in the subsurface, so confirming this is not currently possible. Small solar system bodies in the outer system are probably going to be icy, so dwarf planet satellites (Charon, Vanth, etc.) all likely contain ice.







    share|improve this answer














    share|improve this answer



    share|improve this answer








    edited 1 hour ago

























    answered Nov 28 at 23:10









    mistertribs

    914




    914












    • I appreciate the cited links.
      – zahbaz
      Nov 29 at 2:33


















    • I appreciate the cited links.
      – zahbaz
      Nov 29 at 2:33
















    I appreciate the cited links.
    – zahbaz
    Nov 29 at 2:33




    I appreciate the cited links.
    – zahbaz
    Nov 29 at 2:33










    up vote
    -1
    down vote













    As NASA missions explore our solar system and search for new worlds, they are finding water in surprising places. Water is but one piece of our search for habitable planets and life beyond Earth, yet it links many seemingly unrelated worlds in surprising ways
    The most surprising water worlds are the five icy moons of Jupiter and Saturn that show strong evidence of oceans beneath their surfaces: Ganymede, Europa, and Callisto at Jupiter, and Enceladus and Titan at Saturn.





    share|improve this answer








    New contributor




    Basla Azhar is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      up vote
      -1
      down vote













      As NASA missions explore our solar system and search for new worlds, they are finding water in surprising places. Water is but one piece of our search for habitable planets and life beyond Earth, yet it links many seemingly unrelated worlds in surprising ways
      The most surprising water worlds are the five icy moons of Jupiter and Saturn that show strong evidence of oceans beneath their surfaces: Ganymede, Europa, and Callisto at Jupiter, and Enceladus and Titan at Saturn.





      share|improve this answer








      New contributor




      Basla Azhar is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.




















        up vote
        -1
        down vote










        up vote
        -1
        down vote









        As NASA missions explore our solar system and search for new worlds, they are finding water in surprising places. Water is but one piece of our search for habitable planets and life beyond Earth, yet it links many seemingly unrelated worlds in surprising ways
        The most surprising water worlds are the five icy moons of Jupiter and Saturn that show strong evidence of oceans beneath their surfaces: Ganymede, Europa, and Callisto at Jupiter, and Enceladus and Titan at Saturn.





        share|improve this answer








        New contributor




        Basla Azhar is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.









        As NASA missions explore our solar system and search for new worlds, they are finding water in surprising places. Water is but one piece of our search for habitable planets and life beyond Earth, yet it links many seemingly unrelated worlds in surprising ways
        The most surprising water worlds are the five icy moons of Jupiter and Saturn that show strong evidence of oceans beneath their surfaces: Ganymede, Europa, and Callisto at Jupiter, and Enceladus and Titan at Saturn.






        share|improve this answer








        New contributor




        Basla Azhar is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.









        share|improve this answer



        share|improve this answer






        New contributor




        Basla Azhar is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.









        answered 4 hours ago









        Basla Azhar

        92




        92




        New contributor




        Basla Azhar is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.





        New contributor





        Basla Azhar is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.






        Basla Azhar is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.






























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