555win cung cấp cho bạn một cách thuận tiện, an toàn và đáng tin cậy [sun vip club]
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
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.
15 thg 2, 2017 · I’ve heard from the likes of Brian Cox that what we see of the sun during a sunset and sun rise is actually the mirage of the sun. The Sun has actually set/risen and we see it due to the way light is
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.
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.
27 thg 8, 2015 · For a while I thought that the reason I felt warmth from the sun was because my skin was being hit by photons, but then I realized that photons also hit me when I take an X-ray, but I don't feel an...
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...
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...
When the sun is out after a rain, I can see what appears to be steam rising off a wooden bridge nearby. I'm pretty sure this is water turning into a gas. However, I thought water had to reach 100
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.
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