All Questions
Tagged with spaceships planets
30
questions
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Is it possible to relocate a planet? Specifically Jupiter [duplicate]
My world, Anyare, has too many people on it. Instead of having a disaster, I want them to colonize another planet. Like Jupiter. By using Jupiter’s gases, and by attaching a giant propeller, is it ...
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4
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What is the minimum specifications for a ship to survive propulsive reentry?
Backdrop
In the ending of my book, the closing scene is the control room of the mangled and torn-up starship diving into the atmosphere (maybe not so dramatic) on its fusion engines, slowing down and ...
- 1,994
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3
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Is there a point in a planets gravity that complex(human intelligence) life can exist but space flight is impossible?
Title but I've always wondered if there's a scale of a planets gravity and possible advancement of a species. If the gravity is too high what does it limit for technology? If the gravity is too high ...
- 1,415
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How Much of A Planet-Sized Spaceship is Useable? [closed]
Okay, let's say we have a spaceship the size of a planet. Let's put the radius at 3 Earth radii, and the mass at 7.5 Earth masses. Its hull is made of a space metal with a density of 3500 kg/m^3, and ...
- 2,380
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How much of the solar system would be damaged if the earth was destroyed by lightspeed ship collision?
If a large spaceship travelling at near-lightspeed hit the earth and destroyed it, how far into the system would the devastation travel? Would colonies on Mars and Venus (and perhaps ships in orbit ...
- 51
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12
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Ancient space exploration
What changes would you have to make to humans, the Earth, or the entire universe for humans to be able to go to explore the Moon and Mars with the technology levels of the Renaissance?
- 347
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Stranding my colonists on an alien planet they were supposed to eventually inhabit [closed]
So the background is that a colony ship has arrived in the orbit of a habitable, Earth-like planet. The colonists are in cryosleep and are being woken up in batches. An initial round of scouting the ...
- 1,453
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I'm formulating a planet that has silver dust on its surface, and ideally has rivers of mercury flowing on it, possible? Human survival not necessary
I'm new to this and my scientific knowledge is massively lacking in this area (so please take it easy on me!) I'm writing a historical science-fiction novel. Parts of it set in the past (1977) and ...
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29
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14
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6k
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Can realistic planetary invasion have any meaningful strategy?
The sea is used as an analogy in space travel, and sometimes it works well. Ships sail on long journeys, between distant lands, across a hostile medium.
But these analogies tend to break down when it ...
- 547
3
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3
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139
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Object in the orbit or orbiting Uranus's moon Puck
I realize the response to this question is fairly involved but here goes. I need to have an alien spacecraft either in orbit around Uranus's moon Puck or somewhere in Puck's orbit around the planet if ...
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Black holes as heat sinks
Cooling in space is a well known difficulty. There are many unpleasant consequences like no stealth in space, difficult space battles which turn into a short wars of attrition (because you have to ...
- 2,415
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Effects of a supermassive ship crash landing on a planet
My planet is a 20% larger than the earth, assume a similar atmosphere, but it can be changed to fit the narrative. My ship is not so large as in the original question, a cylinder shape, about a ...
- 51
4
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2
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241
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How does steppenwolf planet generates typhoon?
In a distant future, a spaceship was investigating a gravitational anomaly somewhere within a chartered sector in the Andromeda galaxy. A disaster strikes and the spaceship was found marooned on a ...
- 48k
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Is it possible to place a permanent probe on Uranus?
Before anyone points the finger saying this is a tasteless joke, there are some actual good reasons to pick that specific planet for exploration among the giants in our solar system:
Smallest mass ...
- 142k
3
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1
answer
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In the event of a space ship crash landing, where is the ship most likely to crash land? [closed]
This isn't a perfect map, and it's not a perfect model considering it is a 2D surface and my question relies on a 3D scenario, however it offers a general idea for what I want. In the bottom left hand ...
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