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

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Given recent developments in our understanding of water/ice bodies on Mars, is it possible that we could one day be surprised by Martian fossils? Or do we have reason to believe that Martian life would be limited to microorganisms?

7271 upvotes

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How can we estimate a quantifiable amount of mass to exist in the universe, and speculate the universe to be infinite simultaneously?

343 upvotes

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Are genes from Mom/Dad just a coin flip at every "zip" of the DNA sequence? How far away can we deviate from 50/50?

24 upvotes

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How much of the entire universe is permanently obscured from our observation due to the Milky Way blocking our line of sight?

21 upvotes

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Does a binary star system have interacting Goldilocks zones?

19 upvotes

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How do we know what is in the center of the Earth?

8 upvotes

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A kugelblitz has never been observed, but is hypothetically possible. What is a reasonable series of events that might form this structure?

1 upvotes

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At what distance do two atoms in a vacuum no longer gravitationally attract?

1 upvotes

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I read that on Mars, humans would jump higher due to lessened gravity. Does this mean we could also pick up much larger items than normal (than we're accustomed to on Earth), with ease, somewhat like a small-scale Superman effect?

1 upvotes

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Which animal species were/are most likely to inherit apex predator status, if humans were removed from the Earth?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Given recent developments in our understanding of water/ice bodies on Mars, is it possible that we could one day be surprised by Martian fossils? Or do we have reason to believe that Martian life would be limited to microorganisms?	7271
How can we estimate a quantifiable amount of mass to exist in the universe, and speculate the universe to be infinite simultaneously?	343
Are genes from Mom/Dad just a coin flip at every "zip" of the DNA sequence? How far away can we deviate from 50/50?	24
How much of the entire universe is permanently obscured from our observation due to the Milky Way blocking our line of sight?	21
Does a binary star system have interacting Goldilocks zones?	19
How do we know what is in the center of the Earth?	8
A kugelblitz has never been observed, but is hypothetically possible. What is a reasonable series of events that might form this structure?	1
At what distance do two atoms in a vacuum no longer gravitationally attract?	1
I read that on Mars, humans would jump higher due to lessened gravity. Does this mean we could also pick up much larger items than normal (than we're accustomed to on Earth), with ease, somewhat like a small-scale Superman effect?	1
Which animal species were/are most likely to inherit apex predator status, if humans were removed from the Earth?	1