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Results tagged with meteorites
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user 26
Questions about objects that enter the Earth's atmosphere from space.
6
votes
0
answers
754
views
Method to estimate asteroid density based on spectral type
It's easy to get spectral information about asteroids, from the JPL database for instance. They often have an albedo estimation, but almost never have a mass estimate (if you have albedo and mass, th …
- 16.4k
17
votes
Accepted
What's the (particle) density of the asteroid belt?
I just want to add that a lot of work goes into predictions of abundance, for objects including those we have not detected so far. There is some similarity to exoplanets - where we know that a method …
- 16.4k
24
votes
Accepted
What maximum speeds can be expected from meteorites?
I kept wondering where this 72 km/s maximum is coming from, and I figured it out! This is the calculation:
Why? Firstly, it's obvious that the Earth is traveling at 30 km/s in its orbit. But wha …
- 16.4k