All Questions
Tagged with impact planetary-science
8
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13
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BBC: "In 2009 Prof McDowell & other astronomers performed an experiment in which a similar-sized rocket was crashed into the Moon." Really? Which one?
The line following the title of BBC's Elon Musk SpaceX rocket on collision course with moon reads:
A rocket launched by Elon Musk's space exploration company is on course to crash into the Moon and ...
5
votes
1
answer
259
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How many times were things crashed into the Moon "for science" (seismic events)?
This answer to Did Apollo 13 produce any scientific results? begins:
In addition to crashing the Saturn V's S-IVB into the moon to collect seismic data from sensors installed by the crews of Apollo ...
2
votes
1
answer
226
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Highest velocity impact between a spacecraft and a solar system body? What about for a dedicated impactor (spacecraft component)?
In this answer I mention the proposed impact of DART:
Double Asteroid Redirection Test (DART) Mission
Double Asteroid Redirection Test
The Double Asteroid Redirection Test (DART) Element of the ...
8
votes
2
answers
479
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How can debris from an impact escape to a stable orbit?
Please help me understand: As far as I understand it, when an object gets thrown off the surface of a planet by an impact and doesn't reach escape velocity it is on a suborbital trajectory and ...
2
votes
2
answers
171
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Planet building: collision without fragmentation?
Our Solar system poses a significant problem for colonisation insofar that the rocky planets are predominantly on the... small scale; at least as far as mass is concerned (Earth is the exception ...
13
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3
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What would happen if an Earth-sized body encountered Jupiter?
As we all know Jupiter is a gaseous planet so what would happen if an Earth-sized object happened to encounter Jupiter?
Would Jupiter engulf the object and make it stay at Jupiter's core?
Would the ...
8
votes
1
answer
413
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Why does the Moon's Anaxagoras crater seem sort of jumbled?
Now that very high resolution imagery of the Moon's whole north, above 60 °N, can be viewed on one giant awesome zoomable map, I've been taking a close look at a number of craters. Anaxagoras sticks ...
10
votes
1
answer
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Any explanation for morphology of within crater formations on the northern Nili Patera caldera of the Syrtis Major volcanic plain of Mars?
The Nili Patera region has enjoyed fairly good media exposure recently, ever since high detail HiRISE (High Resolution Imaging Science Experiment) photographs hit the Internet, showing fabulous sand ...