/u/AUniqueUsername678's posts in /r/askscience

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What fills the void in the earth when we pump oil out, and are there visible structural effects on the surface? Also, has the net mass displacement to the earth's surface caused the earth's rotation rate to change?

558 upvotes

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Is the sun rotating in space, and/or does it travel linearly through space, bringing the solar system along with it?

9 upvotes

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How does the Sun, or stars in general, continue to burn without depleting its fuel source?

1 upvotes

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What's the evolutionary purpose of humans crying, ie tears and sobbing? Is it just to gain attention? It seems so dramatic.

1 upvotes

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If you can't hear sounds in space because there is no air to carry it, does that mean that sounds dont even exist at the source because there's no medium to be vibrated?

1 upvotes

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How close do you have to be to the sun to hear it? What would it sound like?

1 upvotes

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How much damage could a seed (e.g. an acorn) take and still grow? A scratch, break in half, smash to pieces? What is the effect of the seed damage on growth and health of the plant?

1 upvotes

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If the continents are moving 2cm per year, how does that affect the lat/long of ground points that dont move?

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Does condensation on a glass of ice water make the water inside the glass warm more quickly or slowly?

1 upvotes

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Why can I sometimes hear my baby son's music box playing even though it is off or in a different zipcode... or can sometimes feel my cellphone vibrate in my pocket, even though it is not there?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What fills the void in the earth when we pump oil out, and are there visible structural effects on the surface? Also, has the net mass displacement to the earth's surface caused the earth's rotation rate to change?	558
Is the sun rotating in space, and/or does it travel linearly through space, bringing the solar system along with it?	9
How does the Sun, or stars in general, continue to burn without depleting its fuel source?	1
What's the evolutionary purpose of humans crying, ie tears and sobbing? Is it just to gain attention? It seems so dramatic.	1
If you can't hear sounds in space because there is no air to carry it, does that mean that sounds dont even exist at the source because there's no medium to be vibrated?	1
How close do you have to be to the sun to hear it? What would it sound like?	1
How much damage could a seed (e.g. an acorn) take and still grow? A scratch, break in half, smash to pieces? What is the effect of the seed damage on growth and health of the plant?	1
If the continents are moving 2cm per year, how does that affect the lat/long of ground points that dont move?	1
Does condensation on a glass of ice water make the water inside the glass warm more quickly or slowly?	1
Why can I sometimes hear my baby son's music box playing even though it is off or in a different zipcode... or can sometimes feel my cellphone vibrate in my pocket, even though it is not there?	1