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Results tagged with planets
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user 2884
For questions about any large astronomical bodies classified as planets, and their effects on their systems.
22
votes
What would be best way to re-melt Mars' mantle and core to revive its magnetosphere
Electromagnets are far more powerful, pound per pound, than planetary magnetic fields. You can overcome the Earth's field with a little bar magnet. So why bother trying to resculpt the planet at all? …
- 3,408
10
votes
Is there anything that would accelerate the death of the sun?
There is one "simple" way...simply pile on the mass of Hydrogen. Large stars burn hotter, and much faster than midsize or small stars, and reach the end of lifetime quicker.
How to add 10 solar ma …
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7
votes
You've made it to another star! Now, how do you find its planets?
Planets will normally orbit a star in the same plane as its own rotation. This cuts down the area you need to search. …
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2
votes
Eye in the Sky Effect
I'll take an idea from Henry Taylors' answer. I think that the converging moon would appear black as it transited the face of the larger, outer moon. But lets assume that the small moon is tidal loc …
- 3,408
2
votes
Is this planetary system stable?
There is one empirical law that fits many of the stable systems we can see, both planets and moons, and that is Bode's Law. … It gives a very close fit to the locations of the first seven planets, with a gap at the Asteroid belts.
Body Actual distance (A.U.) …
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1
vote
What kind of effects would be seen on Earth if it was pulled from orbit?
The moon isn't really captured by the Earth, they are both co-planets in the same orbit. At no point is the gravitational force exerted by the Earth on the Moon stronger than that of the Sun. …
- 3,408
1
vote
Could Pluto/Charon support an atmosphere between them?
Robert Forward wrote a series of books starting with Rocheworld about a double planet that are so tightly coupled they aren't round, share atmosphere and at one point part of the ocean on one planet s …
- 3,408
1
vote
Would a planet with very small temperature variation (between 17 and 21 degrees Celsius) be ...
The problem with this requirement for a 1% temperature uniformity on a planetary scale is that heat conducts slowly relative to the size of a planet. Conduction, winds, you name whatever temperature …
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0
votes
Seasons on a planet that's tidally locked with the smaller star in a dual-star system
If the planet is tidally locked with its primary. then the center of the planet facing gets a huge amount more solar energy than the rest of the planet. If this rise in temperature is too high, the a …
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0
votes
Can an atmosphere englobe a planetary ring?
It could not happen for a standard planetary ring that is in orbit, due to drag. But it isn't impossible to form a structure that appears to be a ring from entities floating in the atmosphere, not in …
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0
votes
In a created planetary system, how many planets can fit in the goldilocks zone with stable o...
So a 4 body solution for our Solar System would be 4 earthlike planets, 2 in Earth orbit and 2 in Mars' orbit. All should hold oxygen like Earth does and be suitable for life. …
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