Sun Shaolong Wife

May 3, 2020it'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). 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. The sun will last, at its current brightness for 9 billion more years.

How long until the sun gets burned down to the point where it cannot sustain life on earth anymore? How would you prove to them that earth orbits the sun? Dec 22, 2016the earth takes 24 hours to spin around its own axis and 365 days to spin around the sun.

Let's say a wizard magicked jupiter into the sun, with or without high velocity. Everytime i see the pics of suset on beaches the sun appear to go all the way down to the surface of. Feb 15, 2011do you want to know both how the earth-sun distance is measured and how the speed of light is measured?

Mar 15, 2019my understanding is that the sun is basically a sphere of hydrogen with a helium core, and that the hydrogen is undergoing nuclear fusion to produce helium. Feb 11, 2018indeed, only the mass of the sun is significant in a keplerian planet's orbital velocity.