/u/Timinator1400's posts in /r/askscience

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I read that we look for exoplanets by examining how much they reduce their stars' brightness when they transit. If aliens were observing us, how much would Earth and other planets reduce the sun's brightness?

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Where does the feeling of “Did I remember to close the garage door” or “Did I forget to turn off the stove” come from?

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If the whole universe was initially compressed to the size of an eraser head, then why didn't it collapse into a black hole instead of expanding?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
I read that we look for exoplanets by examining how much they reduce their stars' brightness when they transit. If aliens were observing us, how much would Earth and other planets reduce the sun's brightness?	1931
Where does the feeling of “Did I remember to close the garage door” or “Did I forget to turn off the stove” come from?	1
If the whole universe was initially compressed to the size of an eraser head, then why didn't it collapse into a black hole instead of expanding?	1