/u/jkk45k3jkl534l's posts in /r/askscience

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Can a photon, from a source other than the sun, pass through the sun completely? In summary, does the sphere of the sun cast a shadow if there were a much brighter light source on the other side of it?

2395 upvotes

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Is the surface of a black hole perfectly flat or can it have geographical features like mountains?

116 upvotes

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You have a completely sealed container of air and a completely sealed container of honey. They both weigh the same. If both are completely submerged in water, would their buoyancies differ?

19 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Can a photon, from a source other than the sun, pass through the sun completely? In summary, does the sphere of the sun cast a shadow if there were a much brighter light source on the other side of it?	2395
Is the surface of a black hole perfectly flat or can it have geographical features like mountains?	116
You have a completely sealed container of air and a completely sealed container of honey. They both weigh the same. If both are completely submerged in water, would their buoyancies differ?	19