All Questions
Tagged with gas-giants jupiter
17
questions
2
votes
2
answers
365
views
At what point above Jupiter is the gravity Earth-like?
Jupiter is a massive planet. We get it. However, we have also heard that, since it has such a huge radius, at different elevations it is possible to experience different levels of gravity. We hear ...
- 469
3
votes
1
answer
169
views
Could a super-Jupiter exoplanet in the habitable zone have an axial tilt?
I’m wondering if a massive planet (maybe 10 times the mass of Jupiter) in the habitable zone of a G type star could have an axial tilt similar to earth or if gravitational forces would erode the tilt ...
- 1,107
4
votes
2
answers
216
views
Are there areas within Jupiter's magnetosphere without powerful radiation?
I know Jupiter has powerful radiation belts, but I'm wondering if there are places within the magnetosphere that are relatively calm. I'm asking about Jupiter (a gas giant we know) because I'm curious ...
- 1,107
0
votes
1
answer
2k
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Maximum and minimum masses and sizes of giant planets?
What are the minimum & maximum masses and diameters of giant planets?
Minimum end of the scale
Earth has mass of 1 Earth mass and a mean radius of 6,371.0 kilometers, and thus a mean diameter of ...
- 7,684
12
votes
1
answer
2k
views
Why do gas giants have clearly delineated surfaces, whereas the Earth's atmosphere fades into space?
I've just seen this Forbes article.
Why do gas giants appear to have clearly delineated surfaces, whereas the Earth's atmosphere fades into space?
Is it just a matter of scale? Or is there some ...
- 223
1
vote
0
answers
69
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Is there any possibility that a gas planet turns into a star [duplicate]
Since the sun is made of one of elements hydrogen
Why Saturn and jupiter doesnt turn into a star since they have a elements of hydrogen ?
0
votes
1
answer
408
views
Birth of the Gas Giant Planets?
How does a gas giant planet form like Saturn and Jupiter, and why just gas? Why didn't they form any solid surface?
5
votes
1
answer
362
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Aren't there any rock or similar firm material on/in the gas giant planets?
Aren't there any rock or similar firm material on/in the gas giant planets? What happens if a rock asteroid hits one of these planets? Shouldn't the rock accumulate in the center of the planet due to ...
- 349
13
votes
3
answers
11k
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Fate of Jupiter when our sun dies
Five billion years from now, the sun will have grown into a red giant star, more than a hundred times larger than its current size.
While this metamorphosis into the giant star will change the solar ...
- 904
3
votes
1
answer
2k
views
Would a spacecraft just go "through" a gas giant?
From my understanding of the word gas giant, it is a planet composed of entirely a gaseous atmosphere, and so planets Jupiter and onwards fall in this category.
That being said, what would stop a ...
- 1,069
0
votes
1
answer
423
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Why could a gas planet not get much larger than Jupiter? [duplicate]
What is the maximum size for a gas giant?
- 1
14
votes
2
answers
2k
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How can clouds form in Jupiter's atmosphere of Hydrogen and Helium?
Here is a graphic of cloud layers of Jupiter (source: Wikipedia):
There are three distinct cloud layers of ammonia, ammonium hydrosulfide, and water. The temperature and pressure conditions seem to ...
- 431
2
votes
2
answers
468
views
What would happen to a gas planet if its core mass goes beyond the Chandrasekhar limit?
Hypothetically, let's say we had a gas giant that continued to accrete mass. I've heard that the cores of gas giants are electron degenerate. So if the planet continued to accrete mass and the core ...
- 8,135
6
votes
2
answers
6k
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Why are gas giants colored the way they are?
As I understand it, Jupiter, Saturn, Uranus, and Neptune are all made primarily from varying proportions of hydrogen and helium. Despite this, Jupiter is very red, Saturn is yellow, and Uranus and ...
- 2,673
13
votes
2
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21k
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What will happen when landing on Jupiter?
Jupiter is a gas giant, so landing on it will not be like landing on Earth, our Moon or Mars etc., as it does not have a solid surface like these.
If we have a hypothetical spaceship or probe landing ...
- 701