Can anyone tell me what's the coldest planet in the solar system? Thanks?
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It's Neptune. Pluto is not a planet anymore. And the hottest planet in solar system is Venus. Hope my answer helps...
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If you mean which planet gets the least amount of heat from the sun, that would be the one farthest from the sun.
That would be Neptune.
If you mean which planet has the coldest surface, then its a bit harder to say.
None of the gas giants have what we would call a surface, and they all get hotter as you move deeper into their massive atmospheres. So the coldest planet that has a rocky surface you could stand on would be Mars.
That would be Neptune.
If you mean which planet has the coldest surface, then its a bit harder to say.
None of the gas giants have what we would call a surface, and they all get hotter as you move deeper into their massive atmospheres. So the coldest planet that has a rocky surface you could stand on would be Mars.
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It's actually a toss up between Uranus and Neptune. Both produce more internal heat than they receive from the Sun, so the Sun only contributes negligible heat to each of these bodies.
At 1 bar of atmosphere, Neptune is colder.
At 0.1 bars of atmospheric pressure, Uranus is colder.
Since neither object has anything you or I would consider a 'surface' you need to define your perameters to get a definitive answer.
At 1 bar of atmosphere, Neptune is colder.
At 0.1 bars of atmospheric pressure, Uranus is colder.
Since neither object has anything you or I would consider a 'surface' you need to define your perameters to get a definitive answer.
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The coldest planet was both Neptune and Pluto because they crossed each other in orbit. So Sometimes Pluto would be closer to the sun than Neptune and sometimes the opposite. But now since Pluto is not a planet anymore. Neptune is Now the coldest Planet in our Solar System.
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that would be the moon (if you call it a planet which many cosmologists do !). This would be during the cycle where the surface is obscured from the sun by the shadow of the Earth.
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I agree with DLM
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It was Pluto until it was unnamed a planet. So now it is Uranus, as it is the furthest planet from the sun.
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The dwarf planet Sedna. A dwarf planet IS A TYPE OF PLANET.
"...Sedna
The coldest most distant place known in the solar system; possibly the first object in the long-hypothesized Oort cloud..."
http://www.gps.caltech.edu/~mbrown/sedna…
http://en.wikipedia.org/wiki/90377_Sedna
IF you want to argue out whether a dwarf plan et is a type of planet or not, go to the California Insitute of Technology web pagfes and find Dr, Michael Browns e-mail address. HE"S the expert on dwarf planets because he's been the discvoere or co-dsoverer of NINE of the the 10 dwarf planets in the solar system. HE'S THE EXPERT on dwarf planets. The A &S trolls can argue it out with the expert.
"...Sedna
The coldest most distant place known in the solar system; possibly the first object in the long-hypothesized Oort cloud..."
http://www.gps.caltech.edu/~mbrown/sedna…
http://en.wikipedia.org/wiki/90377_Sedna
IF you want to argue out whether a dwarf plan et is a type of planet or not, go to the California Insitute of Technology web pagfes and find Dr, Michael Browns e-mail address. HE"S the expert on dwarf planets because he's been the discvoere or co-dsoverer of NINE of the the 10 dwarf planets in the solar system. HE'S THE EXPERT on dwarf planets. The A &S trolls can argue it out with the expert.