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

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How far back in human history would we have to go before modern humans could not reproduce with their ancestors?

776 upvotes

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What assumptions are made about gravity when calculating the gravity within a galaxy?

36 upvotes

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What is the weak nuclear force?

30 upvotes

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Is the percentage of mass in the parent star, comparable between different systems?

20 upvotes

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Can a black hole support a solar system?

16 upvotes

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How close would Thea have gotten to Earth on their final pass?

15 upvotes

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If the CMB is red shifted, is it still red shifting?

4 upvotes

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How close would the final pass be, before to planetary bodies finally collided?

1 upvotes

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Why do viruses kill their hosts?

1 upvotes

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What failsafes does the human body have?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How far back in human history would we have to go before modern humans could not reproduce with their ancestors?	776
What assumptions are made about gravity when calculating the gravity within a galaxy?	36
What is the weak nuclear force?	30
Is the percentage of mass in the parent star, comparable between different systems?	20
Can a black hole support a solar system?	16
How close would Thea have gotten to Earth on their final pass?	15
If the CMB is red shifted, is it still red shifting?	4
How close would the final pass be, before to planetary bodies finally collided?	1
Why do viruses kill their hosts?	1
What failsafes does the human body have?	1