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

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How big of a telescope would I need to be able to actually see an earth like exoplanet in the visible spectrum? Would it be possible to make for example continents and clouds?

8 upvotes

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What would the Earth look like now if life had never formed here? Would there be any major geological differences?

6 upvotes

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What happens to the kinetic energy of objects entering a black hole?

3 upvotes

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If humans had gills how much water would we need to "breathe" to stay alive?

1 upvotes

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Have there been any astronomical anomalies or unexplained phenomena that indicate the possibility of extraterrestrial life or intelligence which aren't well known to the public?

1 upvotes

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When I am verbalizing something in my mind are my vocal chords moving as they would if I was speaking?

1 upvotes

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Are there any promising methods currently being researched for treating alzheimer's disease?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How big of a telescope would I need to be able to actually see an earth like exoplanet in the visible spectrum? Would it be possible to make for example continents and clouds?	8
What would the Earth look like now if life had never formed here? Would there be any major geological differences?	6
What happens to the kinetic energy of objects entering a black hole?	3
If humans had gills how much water would we need to "breathe" to stay alive?	1
Have there been any astronomical anomalies or unexplained phenomena that indicate the possibility of extraterrestrial life or intelligence which aren't well known to the public?	1
When I am verbalizing something in my mind are my vocal chords moving as they would if I was speaking?	1
Are there any promising methods currently being researched for treating alzheimer's disease?	1