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

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I've noticed that although sunrise for my area is around 5:39am, that I can start to see some light in the sky at early as 4:00am. Does this light have a name?

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Why aren't Leptons affected by the strong force?

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Despite the differences in gravity, how was the lunar lander able to reach escape velocity from the surface of the moon with so much less fuel compared to the original launch on Earth?

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Why do scientists currently refer to Dark Matter as matter? Isn't it possible that the evidence for Dark Matter may actually be an incomplete understanding of gravity or other forces?

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If the Earth loses heat to the vacuum of space via radiative cooling, why does it matter what the composition of our atmosphere is? How does it affect global warming?

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I have heard speculation that the universe may be infinite. How could this be if it had a starting point? Was it infinite right after the big bang? How could it be infinite yet have a beginning?

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I've been reading that, before the Egyptians in 2500 BC, people from older cultures had no word for the color blue. Is the ability to see blue a somewhat new trait in humans?

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Is it possible to induce Unihemispheric slow-wave sleep in humans using drugs, electricity, ranscranial magnetic stimulation, etc?

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How do we know TREE(3) is not infinite but at the same time don't know the upper bound for it?

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Why are the gas giants in our solar system all different colors? If they all formed from a disk of the same material, shouldn't they have the same composition?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
I've noticed that although sunrise for my area is around 5:39am, that I can start to see some light in the sky at early as 4:00am. Does this light have a name?	9
Why aren't Leptons affected by the strong force?	8
Despite the differences in gravity, how was the lunar lander able to reach escape velocity from the surface of the moon with so much less fuel compared to the original launch on Earth?	8
Why do scientists currently refer to Dark Matter as matter? Isn't it possible that the evidence for Dark Matter may actually be an incomplete understanding of gravity or other forces?	7
If the Earth loses heat to the vacuum of space via radiative cooling, why does it matter what the composition of our atmosphere is? How does it affect global warming?	7
I have heard speculation that the universe may be infinite. How could this be if it had a starting point? Was it infinite right after the big bang? How could it be infinite yet have a beginning?	7
I've been reading that, before the Egyptians in 2500 BC, people from older cultures had no word for the color blue. Is the ability to see blue a somewhat new trait in humans?	5
Is it possible to induce Unihemispheric slow-wave sleep in humans using drugs, electricity, ranscranial magnetic stimulation, etc?	5
How do we know TREE(3) is not infinite but at the same time don't know the upper bound for it?	5
Why are the gas giants in our solar system all different colors? If they all formed from a disk of the same material, shouldn't they have the same composition?	5