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Questions tagged [meteoroid]

Questions about meteoroids and micrometeoroids, small solid extraterrestrial bodies traveling through interplanetary space. Meteoroids that enter the Earth's atmosphere are called meteors, and remains of those that don't entirely burn or explode in the atmosphere and hit the ground are called meteorites.

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Has any man-made satellite or space vehicle ever been hit by a natural meteoroid?

For precision I'm excluding artificial meteoroids and satellite debris (which is discussed in another question) of all kinds. I'm also considering collisions large enough to produce a noticeable ...
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1answer
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Is there, or has there ever been anything remotely like an electron microscope in space?

I'm guessing Cmdr Hadfield's tweet is only showing an old file photo, but electron microscopes can be quite handy and complement optical microscopes, at high or even low magnification as shown here. ...
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Do we have a photo of a micrometeorite impact on a lens?

Micrometeorite and debris impacts on orbital spacecraft pose a threat to systems and crew. For example, a high velocity impact caused this chip in the International Space Station's Cupola. The ISS ...
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High velocity particle impact on humans in outer space

The Earth is constantly bombarded by matter from space. Is there any risk of high velocity dust particle/micro-object (cosmic garbage e.g.) impact on astronauts while in outer space? What chance is ...
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ISS mass gain or loss due to meteoroids, solar wind, and other particles?

A few questions about the mass of the ISS (1, 2, 3) have got me thinking about mass change of the ISS due to natural processes. The ISS has quite a large area exposed to space, and is subject to both ...
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What is currently used to protect spaceships from meteoroids?

What is used to protect a Mars or possibly interstellar spacecraft against meteoroids and asteroids? How risky it it to travel through space and does higher speeds equal more risk? Would a long ...
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1answer
593 views

How do astronauts deal with micrometeorites during EVA?

There's always micrometeorites in orbit, and they constantly hit the ISS. So my question is during EVA, how do astronauts protect themselves? Is their suit designed to take impact? Since there are ...
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1answer
133 views

Is there any safety advantage/disadvantage to a particular attitude of a vessel in space?

Is there any safety advantage/disadvantage to a particular attitude in space - lined up with the sun, sideways, tumbling or spinning? Assuming a long cylindrical space craft on a long journey within ...
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Detection of micrometeoroid impacts on the lunar surface using thermal imaging?

For a student project we are looking into the possibility of detecting micrometeoroid (micrometer-size) impacts on the lunar surface with cubesats equipped with a thermal imaging device. We have found ...
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4answers
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Using nukes to push an incoming meteoroid off course

It's often said (or at least, I have read it somewhere on some occasion), that using nukes to combat a potential incoming meteoroid is not viable because it may split it into multiple incoming bogies. ...
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2answers
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Angle of meteoroid and debris strikes on ISS

Is it more likely for a space station like the ISS to suffer micro meteor and space debris strikes on the forward side as oppose to others? (it certainly seems less likely to get them on the underside....
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1answer
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Where to read about early work in the detection of dust impacts on solar observing spacecraft?

I've read in a side note included in this nice answer that : Fun Side Note: The FIELDS instrument is planning to look for dust by detecting the electric field pulses resulting from the plasma ...
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1answer
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How is the Hubble main mirror protected from debris?

The Hubble Space Telescope recently hit 25 years in space. It orbits at ~550 km altitude (limited by the altitude the shuttle could reach to service it) and has sustained minor/trivial exterior ...
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1answer
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Choosing thickness of a Whipple shield

What are the calculations involved in choosing the thickness of a micrometeoroid shield during the tradeoff study phase? Where can I find publicly available data on the distribution of micrometeoroid ...
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1answer
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How much meteorite material hits the moon and could it be useful?

Does the material that hits the moon all vaporize and disperse so much it doesn't lead to enriched deposit areas, or could it sometimes be useful? I'm thinking in particular of a permanent moon base, ...