/u/hovissimo's posts in /r/askscience

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How does VLF radio "push out" the Van Allen belts?

8 upvotes

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Focusing sunlight can make a bright spot in mid-air (probably by illuminating dust), is it feasible that enough sunlight could heat the air such that the air itself radiates in the visible spectrum?

2 upvotes

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Considering an Earth-sized magnetic field at Mars L1 (to shield Mars from solar wind, see recent headline), how much force would the solar wind exert on the spacecraft?

1 upvotes

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Why does the Mars helicopter Ingenuity have "teeth" on the rotors?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How does VLF radio "push out" the Van Allen belts?	8
Focusing sunlight can make a bright spot in mid-air (probably by illuminating dust), is it feasible that enough sunlight could heat the air such that the air itself radiates in the visible spectrum?	2
Considering an Earth-sized magnetic field at Mars L1 (to shield Mars from solar wind, see recent headline), how much force would the solar wind exert on the spacecraft?	1
Why does the Mars helicopter Ingenuity have "teeth" on the rotors?	1