/u/Ephemeris's posts

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Would it be more fuel efficient and less dangerous to float a rocket into the upper atmosphere with balloons before igniting the boosters?

3757 upvotes • r/askscience

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Galaxies and the Roche limit

46 upvotes • r/askscience

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Why does the JWST need to be in a "halo orbit" at the L2 Lagrange point?

43 upvotes • r/askscience

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Why does it take so much longer for the Earth's magnetic field to flip directions than it does for the Sun to do the same?

28 upvotes • r/askscience

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Are there any recordings of Hitler where he's not screaming and yelling?

24 upvotes • r/AskHistorians

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Stars made from elements other than Hydrogen?

10 upvotes • r/askscience

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Can an orbit be circular?

8 upvotes • r/askscience

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What is the nature of absorption

3 upvotes • r/askscience

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What exactly is happening when I get a "second wind"?

2 upvotes • r/askscience

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How feasible would it be to make all trash cans in cities bomb "resistant" in order to reduce the blasts?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
Would it be more fuel efficient and less dangerous to float a rocket into the upper atmosphere with balloons before igniting the boosters?	3757	askscience
Galaxies and the Roche limit	46	askscience
Why does the JWST need to be in a "halo orbit" at the L2 Lagrange point?	43	askscience
Why does it take so much longer for the Earth's magnetic field to flip directions than it does for the Sun to do the same?	28	askscience
Are there any recordings of Hitler where he's not screaming and yelling?	24	AskHistorians
Stars made from elements other than Hydrogen?	10	askscience
Can an orbit be circular?	8	askscience
What is the nature of absorption	3	askscience
What exactly is happening when I get a "second wind"?	2	askscience
How feasible would it be to make all trash cans in cities bomb "resistant" in order to reduce the blasts?	1	askscience