/u/clocks212's posts in /r/askscience
If from an outside observer’s perspective nothing ever crosses the event horizon then can the singularity actually be said to “exist” in the timeline of the outside observer?
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Does the rate of infection indicate that most Americans will be infected with COVID-19 prior to receiving a vaccine?
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If there was an intelligent (non-space-faring) civilization on mars several billion years ago what evidence of them would still exist today?
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How many atoms would need to simultaneously split in the palm of my hand for me to see/feel it happening?
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A person eats 3500 calories a day as McDonalds every day. That person will continue to eat 3500 calories a day at McDonalds but ADD 500 calories of fresh fruit and vegetables daily (4000 calories total). Is this person's health better off or worse off with the additional 500 calories?
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Is space expanding inside the Earth (and my body) the same way it expands in the universe? Or does the concentration of matter overpower the expansion and therefore prevents space from expanding nearby?
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