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

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TIL the James Webb took a picture of the farthest Galaxy we have reached, 13,500 million light years away. How do they calculate this distance?

3249 upvotes

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How is it that they can X ray paintings to see what is under the picture (previous pictures o changes that the painter did)? What's the x ray stopping at? Is it the same kind of x ray that they use at hospitals?

2507 upvotes

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Do new born babies dream?

11 upvotes

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How could prehistoric herbivores grow so massive? What was different in the plants of the past to sustain them?

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Could an asteroid hitting a small body (like the moon) push it out of orbit?

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How can they calculate how long is Australia's Burning Mountain burning for?

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Is there a way to develope migraines triggered by wine or chocolate consumption in your adult life?

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Why does the friction on the atmosphere affects so much spaceships and/or meteors on re-entry but not so much (if at all) on the way out?

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What experiments/studies did medics did in order to discover what certain kind of cells did in perceiving light/colors?

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Is there knowledge of a star providing another in a stable orbit? Not like two states orbiting each other but one that developed a stable orbit song another star, just like a planet would. Is it possible?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
TIL the James Webb took a picture of the farthest Galaxy we have reached, 13,500 million light years away. How do they calculate this distance?	3249
How is it that they can X ray paintings to see what is under the picture (previous pictures o changes that the painter did)? What's the x ray stopping at? Is it the same kind of x ray that they use at hospitals?	2507
Do new born babies dream?	11
How could prehistoric herbivores grow so massive? What was different in the plants of the past to sustain them?	1
Could an asteroid hitting a small body (like the moon) push it out of orbit?	1
How can they calculate how long is Australia's Burning Mountain burning for?	1
Is there a way to develope migraines triggered by wine or chocolate consumption in your adult life?	1
Why does the friction on the atmosphere affects so much spaceships and/or meteors on re-entry but not so much (if at all) on the way out?	1
What experiments/studies did medics did in order to discover what certain kind of cells did in perceiving light/colors?	1
Is there knowledge of a star providing another in a stable orbit? Not like two states orbiting each other but one that developed a stable orbit song another star, just like a planet would. Is it possible?	1