Questions tagged [jupiter]

Questions about the exploration of the planet Jupiter.

10 questions with no upvoted or accepted answers
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How close a crewed spacecraft could orbit Jupiter?

How close could a crewed spacecraft orbit Jupiter? I read that Juno was as close as 5,000 km from Jupiter's top clouds, but I'm wondering about a spacecraft with humans inside (provided it's protected ...
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96 views

Why is it that harmful for astronauts and technology to get too far into Jupiter's magnetosphere? Shouldn't it rather be protective?

Jupiter's radiation belts make it impossible for astronauts to stay on Io, Europa and Ganymede over extended periods of time, as well as getting too close to Jupiter at all. I wonder how close would ...
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100 views

Obtaining Europa's samples from Callisto. Possible to identify them? Worthwhile?

A lot has been discussed about the possibility of panspermia between Earth and Mars, and how compact systems such as Trappist-1 can be more prone to that. Here on Earth, we have identified numerous ...
3
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564 views

Is Mercury's orbit still considered potentially unstable (in the very long term)?

The subsection Mercury–Jupiter 1:1 perihelion-precession resonance in the Wikipedia article Stability of the Solar System links to the article Solar system could go haywire before the Sun dies in the ...
3
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150 views

Could electrodynamic tethers power long-term unmanned satellites around the Sun, Jupiter, or Saturn?

Assuming you have the budget to research electrodynamic tether powered unmanned satellites, and you had a cheap way of getting them in to earth low earth orbit, would they be able to use electricity ...
2
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193 views

Relativistic aerobraking

If I have a spacecraft flying at 90 percent the speed of light and it slams into Jupiter's upper atmosphere, by how much would it slow down? It's for a story idea. Thanks.
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29 views

Did JUNO adjust it's orbit in order to fly over Clyde's spot again?

Phys.org's Juno returns to 'Clyde's Spot' on Jupiter says: The feature is informally named for amateur astronomer Clyde Foster of Centurion, South Africa, who discovered it in 2020 using his own 14-...
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35 views

What Jovian system science targets would be suitable for Jupiter gravity assist flyby missions with other primary purposes?

Flying by Jupiter for gravity assist, and with the Oberth effect bonus, has been used for multiple missions to other outer planets and to comets. And has potential for use even for missions aiming at ...
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57 views

Is there believed to be sharp boundary between Jupiter's liquid and metallic hydrogen layers and is there much convection and flow between them?

If it's not known, is it reasonable to assume that some Jupiter-like exoplanets might have well separated liquid and metallic hydrogen layers given moderately different temperature and mass? Author: ...
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27 views

What's the slot region of Jupiter's electron radiation belt?

This is the slot region of the earth: https://www.sciencedirect.com/science/article/abs/pii/S0273117799005141