What liquids can be found in the void space?











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Is there any material natural or otherwise a free floating liquid that can exist in space?






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    Is there any material natural or otherwise a free floating liquid that can exist in space?






    astrophysics amateur-observing fundamental-astronomy







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      up vote
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      favorite









      up vote
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      down vote

      favorite











      Is there any material natural or otherwise a free floating liquid that can exist in space?






      astrophysics amateur-observing fundamental-astronomy







      share|improve this question













      Is there any material natural or otherwise a free floating liquid that can exist in space?






      astrophysics amateur-observing fundamental-astronomy




      astrophysics amateur-observing fundamental-astronomy






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      Muze

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          No liquid can be completely stable in a vacuum, since all liquids have some non-zero vapour pressure, and so will evaporate at some rate. However some liquids have an exceptionally low vapour pressure, and so can be used in a vacuum.



          The vapour pressure of silcone fluid DC705, which is used in diffusion pumps is 2.6e-8, and it is designed to function in a high vacuum.



          If a location could be found at which it was warmed sufficiently to remain liquid (in deep space it would just freeze, whereas too close to the sun and its vapour pressure would rise) it could remain in a liquid state for some time. Not indefinitely but it could be stable for a while.






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            1 Answer
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            active

            oldest

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            1 Answer
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            active

            oldest

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            active

            oldest

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            active

            oldest

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            up vote
            4
            down vote



            accepted










            No liquid can be completely stable in a vacuum, since all liquids have some non-zero vapour pressure, and so will evaporate at some rate. However some liquids have an exceptionally low vapour pressure, and so can be used in a vacuum.



            The vapour pressure of silcone fluid DC705, which is used in diffusion pumps is 2.6e-8, and it is designed to function in a high vacuum.



            If a location could be found at which it was warmed sufficiently to remain liquid (in deep space it would just freeze, whereas too close to the sun and its vapour pressure would rise) it could remain in a liquid state for some time. Not indefinitely but it could be stable for a while.






            share|improve this answer

























              up vote
              4
              down vote



              accepted










              No liquid can be completely stable in a vacuum, since all liquids have some non-zero vapour pressure, and so will evaporate at some rate. However some liquids have an exceptionally low vapour pressure, and so can be used in a vacuum.



              The vapour pressure of silcone fluid DC705, which is used in diffusion pumps is 2.6e-8, and it is designed to function in a high vacuum.



              If a location could be found at which it was warmed sufficiently to remain liquid (in deep space it would just freeze, whereas too close to the sun and its vapour pressure would rise) it could remain in a liquid state for some time. Not indefinitely but it could be stable for a while.






              share|improve this answer























                up vote
                4
                down vote



                accepted







                up vote
                4
                down vote



                accepted






                No liquid can be completely stable in a vacuum, since all liquids have some non-zero vapour pressure, and so will evaporate at some rate. However some liquids have an exceptionally low vapour pressure, and so can be used in a vacuum.



                The vapour pressure of silcone fluid DC705, which is used in diffusion pumps is 2.6e-8, and it is designed to function in a high vacuum.



                If a location could be found at which it was warmed sufficiently to remain liquid (in deep space it would just freeze, whereas too close to the sun and its vapour pressure would rise) it could remain in a liquid state for some time. Not indefinitely but it could be stable for a while.






                share|improve this answer












                No liquid can be completely stable in a vacuum, since all liquids have some non-zero vapour pressure, and so will evaporate at some rate. However some liquids have an exceptionally low vapour pressure, and so can be used in a vacuum.



                The vapour pressure of silcone fluid DC705, which is used in diffusion pumps is 2.6e-8, and it is designed to function in a high vacuum.



                If a location could be found at which it was warmed sufficiently to remain liquid (in deep space it would just freeze, whereas too close to the sun and its vapour pressure would rise) it could remain in a liquid state for some time. Not indefinitely but it could be stable for a while.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 6 hours ago









                James K

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