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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
What is the isotope composition of hydrogen atoms in the sun? Are the ratios of protium:deuterium:tritium similar to those we find on earth? What does the nuclear fusion of hydrogen atoms in the sun
15 thg 2, 2017 · If this is the case, then when we read things like what time sun sets and rises on websites, books, calendars, other official times, et al… does that mean when we see for example ‘sun set at 18:35’ is the time denoting the actual sun set taking into account of …
18 thg 1, 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 image of the Sun.
15 thg 2, 2011 · Do you want to know both how the Earth-sun distance is measured and how the speed of light is measured? Those are completely different things. As I asked before, separate threads, please.
The Sun's energy comes primarily from fusion of light elements in its core. It is estimated that a very small fraction of mass of the Sun (~$10^{-12}$ times the abundance of hydrogen) is uranium (b...
31 thg 5, 2015 · I quite liked this one [archived] describing measurements on cars. It shows that things left in the sun can get significantly hotter than the surrounding air (although there are some issues with the method used, the conclusions are mostly valid), One final note - how hot things are is not the same as how hot they seem to be.
The sun's spectrum is very complex, and indeed there are a lot of 'lines'—both light and dark (emission and absorption)—amidst a sea of what looks to be continuous frequencies.
16 thg 8, 2025 · Spring tides occur during syzygy of the Earth, Sun and Moon. During a new moon, when the sun and moon are both pulling harder on the near side of the earth than the far side, this makes perfect sen...
21 thg 5, 2021 · Other planets that are close to the sun like mercury, are very hot while others further away are cold so distance from the sun has to affect the planets temperature. So can you explain why the distance from the sun doesn't affect the Earth's temperature?
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