/r/askscience

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What factors determine the number of photons that need to hit a telescope (per second) for the light source to be seen?

1815 upvotes • myastrothrowaway

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Does the body process nutrition differently if you eat over the course of the day rather than at three meals?

1812 upvotes • lesser_futhark

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Why are modern locomotives powered by diesel generators that power electric motors? How can this be more efficient/powerful than a direct mechanical connection or hydraulic?

1811 upvotes • Kooops

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AskScience AMA Series: We're Experts Here to Discuss Sexually Transmitted Infections. AUA!

1811 upvotes • AskScienceModerator

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Both Stone and Sam Adams announced beer with helium for April Fools. But is it actually possible, or desirable?

1810 upvotes • craywolf

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Could <10 Tsar Bombs leave the earth uninhabitable?

1808 upvotes • Zeolance

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How close together are the stars near the center of our galaxy?

1807 upvotes • graveyardlove

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Will spiders abandon their web if not enough food is caught in it?

1807 upvotes • [deleted]

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If the moon formed from Earth due to a huge impact shaving off a large piece of rock and then coalescing, how did moons form around gas giants like Jupiter and Saturn?

1807 upvotes • codecracker25

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AskScience AMA Series: We're scientists and researchers with Rainforest Partnership, an NGO focused on creating impact and progress for tropical rainforests. AUA!

1807 upvotes • AskScienceModerator

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
What factors determine the number of photons that need to hit a telescope (per second) for the light source to be seen?	1815	myastrothrowaway
Does the body process nutrition differently if you eat over the course of the day rather than at three meals?	1812	lesser_futhark
Why are modern locomotives powered by diesel generators that power electric motors? How can this be more efficient/powerful than a direct mechanical connection or hydraulic?	1811	Kooops
AskScience AMA Series: We're Experts Here to Discuss Sexually Transmitted Infections. AUA!	1811	AskScienceModerator
Both Stone and Sam Adams announced beer with helium for April Fools. But is it actually possible, or desirable?	1810	craywolf
Could <10 Tsar Bombs leave the earth uninhabitable?	1808	Zeolance
How close together are the stars near the center of our galaxy?	1807	graveyardlove
Will spiders abandon their web if not enough food is caught in it?	1807	[deleted]
If the moon formed from Earth due to a huge impact shaving off a large piece of rock and then coalescing, how did moons form around gas giants like Jupiter and Saturn?	1807	codecracker25
AskScience AMA Series: We're scientists and researchers with Rainforest Partnership, an NGO focused on creating impact and progress for tropical rainforests. AUA!	1807	AskScienceModerator