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Results tagged with space
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user 10851
For questions related to outer space, stellar systems, stars and other astronomical phenomena.
1
vote
How could a creature get off a planet without technology?
Your creature needs to accomplish two things: 1) escape velocity and 2) survive the harshness of space, all without the benefit of so much as a sharpened stick or flake of rock. … It might be able to get to escape velocity with a pair of mega-grasshopper-like legs to jump into space, but clearly, flight is more likely. …
- 8,605
44
votes
Accepted
Can asteroid fields exist in local systems?
I contend that the Trojan, Greek, and Hilda groups associated with Jupiter in our own solar system constitute "fields" as opposed to "belts." The Hildas are perhaps more scattered, but they do not fi …
- 8,605
8
votes
Would it be possible to skip an asteroid off of a planet's atmosphere?
Since no one else has mentioned it, not only can it happen, it did. August 10, 1972. Since there was no inter-webs back then, the news articles about it are not necessarily available, but here are a …
- 8,605
6
votes
How to determine one's position in space?
In interstellar space, we will need a different reference point than magnetic north. … If it is more like 30° then we are one of the two bottom space ships. Again, we don't need to know how far we are from those stars, only the angles. …
- 8,605
11
votes
Accepted
If I had an alien race, how would they interpret our numerical characters as being numbers?
This question has already been debated by exo-astronomers. The best answer they could come up with (using 1974 technology) was the Arecibo Message.
The details might change, but the essential idea i …
- 8,605