/u/richloz93's posts in /r/askscience

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How are we certain about the shape/appearance of a galaxy with the speed of light in mind?

674 upvotes

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Have we observed any EM waves from space that were originally radiated as a non-visible EM wave but redshifted or blueshifted into a wave within our eyes' measure of perception? Or is this even possible?

15 upvotes

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What is the likelihood of Jupiter becoming a star?

2 upvotes

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Dark matter cannot interact with the electromagnetic force. What qualifies matter to interact with this particular force? What does this tell us about dark matter?

1 upvotes

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How does water naturally form in the universe?

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Can an organism living hundreds or even thousands of years experience adaptations for fitness on a genetic level?

1 upvotes

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What is the apparent magnitude of Phobos from Mars’ surface?

1 upvotes

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Radio telescopes can “see” radio light and we can convert those signals into the visible spectrum. If a radio telescope was pointed towards earth and the signal converted, what would that look like?

1 upvotes

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Why is it that the Andromeda Galaxy is on a collision course with the Milkyway Galaxy, but other galaxies are subject to the metric expansion of space?

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What factors affect the velocity of a planet's revolution around a star?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How are we certain about the shape/appearance of a galaxy with the speed of light in mind?	674
Have we observed any EM waves from space that were originally radiated as a non-visible EM wave but redshifted or blueshifted into a wave within our eyes' measure of perception? Or is this even possible?	15
What is the likelihood of Jupiter becoming a star?	2
Dark matter cannot interact with the electromagnetic force. What qualifies matter to interact with this particular force? What does this tell us about dark matter?	1
How does water naturally form in the universe?	1
Can an organism living hundreds or even thousands of years experience adaptations for fitness on a genetic level?	1
What is the apparent magnitude of Phobos from Mars’ surface?	1
Radio telescopes can “see” radio light and we can convert those signals into the visible spectrum. If a radio telescope was pointed towards earth and the signal converted, what would that look like?	1
Why is it that the Andromeda Galaxy is on a collision course with the Milkyway Galaxy, but other galaxies are subject to the metric expansion of space?	1
What factors affect the velocity of a planet's revolution around a star?	1