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

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If the universe is expanding and galaxies are spreading apart, why are we set to eventually collide with Andromeda?

5 upvotes

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Do rockets going to outer space cause any kind of depletion in the Ozone layer?

3 upvotes

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How are satellites safe from the EMP of the sun?

2 upvotes

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Since oxygen has been on our planet for so long, how much of it is produced a year in comparison to the total amount in the air?

1 upvotes

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If two objects the size of Earth were going the same direction in a straight line, how far away from each other would they need to be to not attract each other?

1 upvotes

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How many people are needed to sustain a healthy population?

1 upvotes

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Do twins tend to like the same types of porn or is it more likely to vary? Are there any twins out there who can answer for themselves and is there any research on this subject?

1 upvotes

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If you had a cube, of which each side had a mirror, but one side had a two-way mirror, and you shined a light through that two way mirror, would there be any delay after turning the light off where light continued to bounce around within the box?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If the universe is expanding and galaxies are spreading apart, why are we set to eventually collide with Andromeda?	5
Do rockets going to outer space cause any kind of depletion in the Ozone layer?	3
How are satellites safe from the EMP of the sun?	2
Since oxygen has been on our planet for so long, how much of it is produced a year in comparison to the total amount in the air?	1
If two objects the size of Earth were going the same direction in a straight line, how far away from each other would they need to be to not attract each other?	1
How many people are needed to sustain a healthy population?	1
Do twins tend to like the same types of porn or is it more likely to vary? Are there any twins out there who can answer for themselves and is there any research on this subject?	1
If you had a cube, of which each side had a mirror, but one side had a two-way mirror, and you shined a light through that two way mirror, would there be any delay after turning the light off where light continued to bounce around within the box?	0