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Questions tagged [meteoroid]

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3
votes
1answer
60 views

How to check what telescopes were looking at a certain portion of sky at a particular time?

I have some data that I collected from observations at a specific RA, DEC and I am trying to figure out what telescope surveys were looking at that portion of the sky at that particular time? I am ...
19
votes
2answers
3k views

What is the name of meteoroids which hit Moon, Mars, or pretty much anything that isn’t the Earth?

A meteorite according to the Oxford English Dictionary is A piece of rock or metal that has fallen to the earth's surface from outer space as a meteor. But, meteors impact other planets. Are they ...
2
votes
0answers
44 views

Was NASA's 2007 attempt to see helions during a solar eclipse successful? What instruments were used?

This answer about Sun-grazing comets led me eventually to Wikipedia's Helion (meteoroid), which has a one-sentence long article: A Helion meteoroid is a meteoroid that arrives from the approximate ...
3
votes
1answer
154 views

Meteor shower from Moon's “debris”

Did we ever witness a "meteor shower" which was actually dust or debris of some kind from our own Moon?
4
votes
1answer
164 views

If Earth had no atmosphere, how many people would be killed by meteors every year? [closed]

Suppose those people engage in similar activity, walking on surface etc.
2
votes
0answers
66 views

What is the average Ni-Fe crystal length in iron meteorites?

Iron-core meteorites display an awesome criss-cross pattern known as the Widmanstätten pattern, shown below: (photo by Dr. Patrick M. Len, taken from Wikipedia) I TA for an intro-level astronomy/...
7
votes
1answer
738 views

What factors influence the Widmanstätten pattern in iron meteorites?

The cores of iron meteorites exhibit beautiful Widmanstätten patterns, as shown below in the Alvord meteorite (photo by Jim H): I understand these patterns form when the molton nickel-iron core of ...
3
votes
1answer
116 views

Are exo-meteoroids possible?

Is it possible that meteoroids, comets, asteroids or other small bodies from around a nearby star (such as Alpha Centauri) could get into the solar system? How low is that possibility? Edit: ...