=
Note: Conversion is based on the latest values and formulas.
How hot can metal get in sunlight? - Physics Stack Exchange 31 May 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 …
Where will the Goldilocks zone be when the Sun becomes a red … 27 Oct 2017 · The luminosity increases in a nonlinear way. As a red giant the sun will also lose significant amounts of mass, and this will make planets spiral outwards. (This is also why there …
sun - Nuclear fusion - Hydrogen isotopes - Physics Stack Exchange 15 Dec 2014 · 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 …
How is distance between sun and earth calculated? 15 Feb 2011 · How has the distance between sun and earth been calculated? Also what is the size of the sun?
What is the simplest way to prove that Earth orbits the Sun? 17 Apr 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 …
optics - If the sea surface were absolutely calm should the Sun ... 18 Jan 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 …
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
What would happen if Jupiter collided with the Sun? 27 Apr 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 …
Black and white matters. But why and how? - Physics Stack … 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 …
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). …