Questions tagged [impact]
Questions regarding the collision of one thing with another
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Would a kinetic impact "cloud" avoid fragmenting an asteroid to be deflected?
A problem with using a traditional kinetic impactor in one piece, like the one used by Deep Impact, to deflect a hazardous NEA, is that its effects depend on the subsurface composition of the asteroid....
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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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Is the impact of Chang’e 5-T1 rocket stage on the Moon's far side on March 4th likely to launch any debris into Moon or Earth orbit?
It is predicted that the Chang’e 5-T1 rocket stage will impact the Moon's far side on March 4th. The stage apparently weighs about 4 tonnes and will impact at 2.5 km/s at a shallow angle.
There's ...
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Is there an estimate for the average mass of all meteoroids and asteroids hitting Earth's atmosphere in one year?
I wonder how much mass is entering Earth's atmosphere every year in the form of meteoroids and asteroids. This excludes micro-meteoroids, dust particles, molecules etc.
Quick search result talks only ...
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What information exactly was necessary to determine and announce this "debris causing event"?
A 1:53 PM - 19 Jul 2016 tweet from the twitter account @18SPCS said:
19 Jul: JSpOC ID’d debris causing event related to @DigitalGlobe WorldView-2; 8 debris pieces but WV2 confirmed operational & ...
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What happens if a centimeter-sized particle hits a spaceship at orbital velocity?
How much damage would a centimeter sized particle weighing a few grams do when it impacts a spaceship at orbital velocity? Let's say 30 km/s (Earth's rotation speed around the Sun). Such a particle ...
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How deep does impact heating penetrate?
Let's say I find a cold rocky body with no atmosphere, and I bombard its surface with breathable air, thus converting the gas's GPE into heat. This will warm the body somewhat (and might initiate ...
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Has there been any bolide-spacecraft near-miss?
Has there been any incident where a reentering spacecraft nearly collided with a meteor?
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Use of thrusters for Collision Avoidance Maneuver
I'm building an orbit propagator that gives the position of two satellites at time T. The position are expressed in ECI and after that are being transformed in LVLH frame (as mentioned ECI to LVLH ...
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Was CloudSat hit by debris? If so, when, how bad was it, and where was it reported?
Anton Petrov's new video Another Satellite Collided in Space, But Everyone Missed It Until Now (below) is fun to watch, and links to Jonathan McDowell's tweet string which begins
Space-Track catalog ...
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Would detonating a powerful nuke on the Moon really cause a Richter 7 moonquake? Do we know enough about the moon to predict this?
A recent episode of Kurzgesagt explores the consequences of exploding a hydrogen bomb on/near the surface of the moon. At 3:48 they consider the resulting moonquake, saying it's comparable to a ...
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Frequency of asteroid impacts on Ceres?
Are there estimates of asteroid impact frequency on Ceres? I'm looking for a graph that plots time between impacts against size of the impactor. Thanks!
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Whats left of the DART Spacecraft after impact?
DART impacted Dimorphos with around 6km/sec, which is really fast. I am wondering what is left of the spacecraft? What state is it now probably? Seeking the results of car crashes with 200+ kph when ...
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