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

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On the heels of yesterday's question, would it be possible to have a rocky planet large enough that it began nuclear fusion and turned into a star?

536 upvotes

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With our current knowledge, is there a maximum speed a spacecraft could travel?

42 upvotes

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Assuming the Oceans were drained, what would the air pressure be like at the Challenger Deep? Would there be a noticeable difference?

25 upvotes

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Earth is obliterated, destroying everything. What could an alien civilization tell about humans just from the rovers on Mars?

1 upvotes

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Does "locking your knees" actually cause you to pass out? If so, why?

1 upvotes

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Is there any scientific evidence supporting the idea that introverts/extroverts "gain/lose energy" in specific social situations?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
On the heels of yesterday's question, would it be possible to have a rocky planet large enough that it began nuclear fusion and turned into a star?	536
With our current knowledge, is there a maximum speed a spacecraft could travel?	42
Assuming the Oceans were drained, what would the air pressure be like at the Challenger Deep? Would there be a noticeable difference?	25
Earth is obliterated, destroying everything. What could an alien civilization tell about humans just from the rovers on Mars?	1
Does "locking your knees" actually cause you to pass out? If so, why?	1
Is there any scientific evidence supporting the idea that introverts/extroverts "gain/lose energy" in specific social situations?	1