Pieces of stone or metal originating elsewhere in the Solar System that have fallen through the atmosphere.

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60 views

meteorite-like impact of a drop of yogurt

When I throw a drop of Yogurt (through spoon) into a dish of Yogurt, it caused something like a meteor hitting the earth and something occurs similar to the place a meteor hitting the earth(Barringer ...
26
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4answers
2k views

Why are there no asteroids or meteoroids with relativistic speeds?

Cosmic rays can have energies going into the $10^{20}$ eV domain. Asteroids and meteoroids originating in the solar system are probably limited in their speed because they all started out from the ...
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1answer
23 views

Meteorite hunters Search for FIREBALLS

normally meteorite hunters search for fireballs....but they totally ignore meteor showers . why so? as far as i can think meteors in meteor showers are usually produced by small particles so they ...
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5answers
3k views

What are the differences between Comet versus Asteroid versus Meteoroid versus Meteor versus Meteorite?

What are the differences between comet versus asteroid versus meteoroid versus meteor versus meteorite in practical terms?
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1answer
36 views

Regarding the theory of the origin of water on earth through meteorites, why wouldn't the water evaporate on impact?

Water on earth has been theorized to have come through comets trapped inside crystals. But why wouldn't that water evaporate on impact, and wouldn't the atmosphere at that time allow the vapours to ...
9
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1answer
56 views

Meteorite from Mars?

What kind(s) of science is used to determine that a meteorite is "from Mars"? How do we know that the meteorite isn't just another rock from space? How is some sort of accuracy statement developed ...
10
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1answer
135 views

How scientists could say that such meteorite comes from Mars

How could scientists affirm that a meteorite comes from Mars and not from another source ? This is a probability or an absolute certainty ? How much percent ?
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2answers
30 views

Ways to spot a comet or asteroid?

How do we spot a comet or asteroid if it does not emit light or pass infront of an object which emits light? And if such an object would be on a crash course with our planet how early would we be ...
6
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2answers
702 views

Are meteorites igneous, sedimentary or metamorphic rocks?

Are meteorites igneous, sedimentary or metamorphic rocks? Or do we need a new method of rock classification for them?
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2answers
213 views

Ways of verifying the origin of a meteorite?

Assume you have a small sliver of a lunar or martian meteorite (or an object asserted to be so). Without using any special scientific equipment, is it possible to verify (or give a high probability) ...
7
votes
3answers
113 views

Are there any Earth-Meteorites on Earth?

A follow-on from this question, if meteorites can come from Mars, it seems they could have come from Earth and ended up back here (though I'm guessing that to be less likely). Do we have any evidence ...
2
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1answer
20 views

Is there any way to judge whether a bolide might produce a meteorite?

If you see a bolide, is there any way to judge whether it's worthwhile to try to find an impact? (I mean, short of a big "bang" and a debris cloud rising from the remains of your car...) I imagine ...
7
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1answer
26 views

Meteorites from Mars?

So I've heard of meteorites "originating from Mars" (e.g. AH84001), but the phrase confuses me. I'm interested in what this means - have these rocks somehow escaped Mars' gravity and ended up here; or ...
13
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1answer
2k views

From how high could have Felix Baumgartner jumped without disintegrating like a shooting star?

Today Felix Baumgartner jumped from 39 kilometres high and reached the earth safely. Just considering friction, from how high can a human jump? I expect that from a certain height, he would have ...