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

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If the sun was blue, would the leaves and grass and plants still be green?

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How did ancient bacteria "discover" and utilize light energy for photosynthesis if they didn't have the receptors to detect light?

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Is it possible for the time dilation surrounding a black hole to effectively stop time?

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What would be the effect of Time Dilation in the void between galaxies, where there is no Mass to effect your Time dilation?

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Are there any long extinct species that, if re-introduced to the climate today, would act as an aggressively invasive species?

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Is there a formula that connects Mass and Energy, with Gravity and Time yet?

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How is a Supernova possible?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If the sun was blue, would the leaves and grass and plants still be green?	1
How did ancient bacteria "discover" and utilize light energy for photosynthesis if they didn't have the receptors to detect light?	1
Is it possible for the time dilation surrounding a black hole to effectively stop time?	1
What would be the effect of Time Dilation in the void between galaxies, where there is no Mass to effect your Time dilation?	1
Are there any long extinct species that, if re-introduced to the climate today, would act as an aggressively invasive species?	1
Is there a formula that connects Mass and Energy, with Gravity and Time yet?	1
How is a Supernova possible?	1