/u/austin101123's posts in /r/askscience

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Only show posts with narrations

When I look into the sky. What % of my sight line is neverending nothingness, there is nothing in that line of sight throughout the entire universe? What % of my sight is looking at something, whether the moon or something billions of light years away?

106 upvotes

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Why do humans cry?

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If a black hole is so strong that not even light waves can escape it, how can gravity waves escape it? Are they faster than light?

1 upvotes

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How can red blood sells be eukaryotic if they have no nucleus or organelles?

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What is happening when you get butterflies in your chest to cause that feeling?

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How come some body "contaminants" have half-lives and others decrease linearly? For example LSD has a half-life and alcohol is linear.

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If a black hole is so strong that not even light waves can escape it, how can gravity waves escape it? Are they faster than light?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When I look into the sky. What % of my sight line is neverending nothingness, there is nothing in that line of sight throughout the entire universe? What % of my sight is looking at something, whether the moon or something billions of light years away?	106
Why do humans cry?	1
If a black hole is so strong that not even light waves can escape it, how can gravity waves escape it? Are they faster than light?	1
How can red blood sells be eukaryotic if they have no nucleus or organelles?	1
What is happening when you get butterflies in your chest to cause that feeling?	1
How come some body "contaminants" have half-lives and others decrease linearly? For example LSD has a half-life and alcohol is linear.	1
If a black hole is so strong that not even light waves can escape it, how can gravity waves escape it? Are they faster than light?	1