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  1. 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

  2. temperature - How does water evaporate if it doesn't boil?

    I don't the the rate of evaporation depends upon the temperature of the overlying air, i.e. it is a function of the thermodynamic processes withing the liquid (or solid, like in ann's example). …

  3. 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?

  4. 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 …

  5. What is the simplest way to prove that Earth orbits the Sun?

    Apr 17, 2015 · Assume you're talking to someone ignorant of the basic facts of astronomy. How would you prove to them that Earth orbits the Sun? Similarly, how would you prove to them …

  6. 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 …

  7. astronomy - How big a coincidence is the Sun and Moon having …

    May 3, 2020 · It's consensus that the very similar apparent sizes of the Moon and the Sun as seen from Earth is a coincidence (as already answered in this site). This provides us with …

  8. Can Jupiter be ignited? - Physics Stack Exchange

    Our solar system itself contains two candidate "Earths" One is Jupiter's moon Europa and another is Saturn's moon Titan. Both of them have the problem of having at low temperature as Sun's …

  9. sun - Why aren't 100% UV blocked sunglasses safe to view an …

    Aug 21, 2017 · 1 The reason that sunglasses (even so-called 100% UV protection ones) aren't well-suited to protect your eyes from staring directly into the sun (at any time), is because …

  10. Review: Bayside sun spa | AMP Reviews

    Apr 19, 2023 · Title: Review: Bayside sun spa Date: Oct 6, 2024 Phone: 347-294-9502 City: Brooklyn State: NY Location: 3rd ave btwn 94th & 95th st House Fee & Tip (if applicable) 60 + …