/u/mac-0's posts in /r/askscience

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Every once in a while I notice a group of about 100 crows flying in formation around the same parking lot at the same time (5pm). At the same time, they all start squawking and find a lamp post or tree to sit on. Then a few minutes later they all start flying again. What are they doing?

215 upvotes

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If the surface of the moon were somehow covered in ultra reflective material, would it make the night sky significantly brighter?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Every once in a while I notice a group of about 100 crows flying in formation around the same parking lot at the same time (5pm). At the same time, they all start squawking and find a lamp post or tree to sit on. Then a few minutes later they all start flying again. What are they doing?	215
If the surface of the moon were somehow covered in ultra reflective material, would it make the night sky significantly brighter?	1