All Questions
Tagged with impact planetary-defense
5
questions
3
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1
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92
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Puzzler: Why higher solar phase angle (SPA) allows for many more feasible FastKD (kinetic deflection) communications satellite “hijacking” missions?
Space.com's advert-laden Repurposed communications satellites could help save humanity from an asteroid impact ends with:
The study results were presented at the Planetary Defence (sic) Conference ...
- 149k
52
votes
5
answers
16k
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Does NASA have an end-of-the-world policy?
If an asteroid were detected, shooting towards earth with enough speed and certainty that it would all but guarantee a sequel of the end of the dinosaurs. Observatories and space agencies would almost ...
- 3,055
4
votes
1
answer
599
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How big an asteroid could we take out with an ICBM?
Obviously it's not going to be all that big as the intercept would occur only a few minutes before impact and the rubble is still going to hit. However, if the pieces are small enough they go boom in ...
- 11.6k
6
votes
0
answers
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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....
- 27k
6
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2
answers
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Extinction asteroid (10-100 km) impact avoidance
With the present "state-of-the-art" of space technology what is possible to do to avoid an Earth impact by rocky bodies 10 km to 100 km in diameter?
Is there any international project to develop a ...
