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

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What would it look like near or past the edge of the observable Universe? At what point would it stop looking like the 'normal' Universe?

375 upvotes

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Why can we see fire? Isn't it just heat?

65 upvotes

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What is the likelihood that most species came from one common ancestor? And can this probability be used to find out whether any aliens would have the same vital organs, limbs, etc.?

28 upvotes

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SARS-CoV-2 is apparently stable for several hours to several days on different types of surfaces. What actually “kills” the virus during this time?

13 upvotes

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When we're stopped suddenly by a seatbelt, what happens to the momentum?

8 upvotes

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Are there actually any places that are zero-gravity?

3 upvotes

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What would somebody passing the event horizon of a black hole look like from outside?

2 upvotes

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Do other planets have climates like we do?

2 upvotes

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If the speed of light were to suddenly decrease drastically, how would it have an effect of daily life?

1 upvotes

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I know dogs, cats, etc. are sentient, but do they have conscious thought like humans do?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What would it look like near or past the edge of the observable Universe? At what point would it stop looking like the 'normal' Universe?	375
Why can we see fire? Isn't it just heat?	65
What is the likelihood that most species came from one common ancestor? And can this probability be used to find out whether any aliens would have the same vital organs, limbs, etc.?	28
SARS-CoV-2 is apparently stable for several hours to several days on different types of surfaces. What actually “kills” the virus during this time?	13
When we're stopped suddenly by a seatbelt, what happens to the momentum?	8
Are there actually any places that are zero-gravity?	3
What would somebody passing the event horizon of a black hole look like from outside?	2
Do other planets have climates like we do?	2
If the speed of light were to suddenly decrease drastically, how would it have an effect of daily life?	1
I know dogs, cats, etc. are sentient, but do they have conscious thought like humans do?	1