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

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Did the Big Bang come from nothing, or can we simply not know what came before?

318 upvotes

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How many galaxies are there in the universe?

62 upvotes

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How did we first measure the speed of light?

17 upvotes

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How do stellar cores survive supernova events?

1 upvotes

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Diameter from 1/2 circumference NSFW NSFW

1 upvotes

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Why was the meter defined by light traveling over 1/299,792,458 of a second and not 1/300,000,000 of a second?

1 upvotes

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Does the definition of "Scientific Theories" still apply to the theories like M-Theory, String Theory, Quantum Gravity Theories, and other theories that we do not yet have empirical evidence for? (xpost from /r/trueatheism)

1 upvotes

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When did people learn stars were other suns, and what implications did that have on the populace's understanding of the world?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Did the Big Bang come from nothing, or can we simply not know what came before?	318
How many galaxies are there in the universe?	62
How did we first measure the speed of light?	17
How do stellar cores survive supernova events?	1
Diameter from 1/2 circumference NSFW NSFW	1
Why was the meter defined by light traveling over 1/299,792,458 of a second and not 1/300,000,000 of a second?	1
Does the definition of "Scientific Theories" still apply to the theories like M-Theory, String Theory, Quantum Gravity Theories, and other theories that we do not yet have empirical evidence for? (xpost from /r/trueatheism)	1
When did people learn stars were other suns, and what implications did that have on the populace's understanding of the world?	1