Questions tagged [solar-system]
Refers to questions concerning the solar system containing Earth. For other solar systems, use the 'planetary-system' tag.
92 questions
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What is the relationship between Io and Jupiter's radiation?
I am a student in an astronomy class in community college and this is my first astronomy class. I am doing a project on the Galilean moons, and have been scrubbing the internet, yet I can't find much ...
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9votes
3answers
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Will we ever get to see what's in the Kuiper Belt, or is it just too far away?
There may be planets floating around in there. What if they make like, a super IR telescope or something? Or will it forever be blackness, and we'll never see what's there except by gravity?
2votes
1answer
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STEREO-A/B conjunction
STEREO satellites are on somewhat different solar orbits, so their separation angle changes over time. On 2011-02-06, they were in “opposition” (180-degree separation).1 On 2023-08-12, close approach ...
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When will we land on other planets in our solar system? [closed]
It seems like NASA wants to put someone on Mars by 2030, 61 years after we first landed on the moon. This date doesn't seem too far off. However, will it take another 60 years or more to reach the ...
user54822
8votes
1answer
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Why is there no difference between a transfer orbit delta-V and a capture orbit delta-V for Earth?
I'm particularly interested in understanding this beautiful solar system delta-v map and concepts on its Wikipedia page. In contrast to other planets there is no Earth Transfer only an Earth Capture/...
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Why didn't NASA launch communications relay satellites outside the asteroid belt to communicate easily with interstellar satellite?
I came across with nasa's voyager and other interstellar satellite, just thought that if they build a relay satellite which situated outside asteroid belt or nearby to Saturn & Jupiter, to ...
1vote
0answers
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Diameters of moons in solar system
I would like to programmatically find all moons in our solar system above a certain diameter. I would like to use the api to jpl horizons if possible. (For context I am then going on to find ...
- 111
4votes
2answers
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Cost and quantity of space mission in 2020s vs 1980s?
Today we have 50 times as many satellites in orbit as in the 1980s and the price of space equipment has come down; however, we have a thousand times fewer satellites orbiting far away space bodies ...
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14votes
1answer
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How likely is it that the Voyager spacecrafts haven't yet been damaged by micrometeoroids?
Both Voyagers have been traveling at over $60,000$ km/h for well over four decades and still seem to function properly, taking into account the slowly dropping power and warmth available from their ...
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7votes
1answer
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How do we define the aphelion of Earth?
After seeing this question, I was curious on how we define the aphelion of Earth. On a quick search it said that the aphelion is the point when Earth is the furthest way from the sun. However, all the ...
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What's the orientation of earth in space if the entire solar system is moving in one direction [closed]
I know that there is nothing north, south, east or west in space there is no reference by which you can tell if apparent north is up, down, left or right. But as I understand that all planets in the ...
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How can you warm up Mars?
Mars experience extreme temperatures. Highest temperature being 21 degree celsius. So if we are to terraform mars one day then we first need to warm it up. So any ideas on how to warm up mars?
11votes
5answers
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What processes create an object with an interstellar velocity?
An object like Oumuamua originates in a solar system. This object has roughly the inertia of everything else there. I can imagine stuff on the edge of the accretion zone for a star that...WANDER off......
- 2,285
15votes
2answers
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By when can we pass by Voyager 1?
I am just curious to know if there is any estimation, no matter how rough it could be, about when another human artifact can go farther than Voyager 1 with respect to the Earth; years, decades, any ...
- 309
1vote
2answers
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Any star-system list indexed by proximity?
Does anyone know where I can find a list indexed by Earth-proximity with all the star-systems or exo-planets with appropriate conditions for human direct exploration? It is not necessary to have ...
