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  1. reference frames - Does Relativity make a difference on whether …

    Aug 20, 2020 · Since the sun is so massive, this essentially constitutes of the Earth orbiting around the sun, as seen from any inertial frame of reference. Of course moving to a frame of …

  2. optics - If the sea surface were absolutely calm should the Sun ...

    Jan 18, 2021 · On the other hand, if the water were completely still, with a smooth and horizontal surface, then the sun glitter ribbon would be gone, and you would just see a direct mirror …

  3. How much lux does the Sun emit? - Physics Stack Exchange

    I want to know how much lux the sun emits on a bright day - I don't mean when one stares directly at the sun, but rather when one walks casually outside when the sun is shinning brightly. Now the

  4. Black and white matters. But why and how? - Physics Stack Exchange

    So a metal door in the sun will transfer the heat of the visible spectrum to the interior if painted black, will reflect it back and keep the interior cooler if painted white. It is a good reason for …

  5. How is there so much ionized hydrogen in the sun?

    Oct 12, 2023 · To my understanding, the sun contains large amounts of ionized hydrogen compared to the amount of hydrogen in the first excited state. I am curious about the …

  6. How is distance between sun and earth calculated?

    Feb 15, 2011 · How has the distance between sun and earth been calculated? Also what is the size of the sun?

  7. sun - A question once confused Confucius - Physics Stack Exchange

    A well known story "Two Children arguing about the sun" (From Lie Zi, ca. 500BC): On the way traveling to the east, Confucius saw two children were arguing. One child thought that the sun …

  8. Why does the Sun rotate? - Physics Stack Exchange

    Apr 28, 2020 · The Sun was certainly much faster rotating in the past. When it was 100 million years old it likely had a rotation period somewhere between 0.5 and 5 days (observed in solar …

  9. Why does the Sun "shine brighter" some days? [duplicate]

    1) The sun seems brighter (more dazzling) if there is more scattering in the atmosphere. The sun would actually look very small to us in the sky if there were no atmosphere (it's the same …

  10. What would happen if Jupiter collided with the Sun?

    Apr 27, 2018 · This question is inspired by a similar one asked on Quora. Let's say a wizard magicked Jupiter into the Sun, with or without high velocity. What happens? The Quora …