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
How long until the sun cannot sustain human life on earth? 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? Updated: I am more concer
What would happen if Jupiter collided with the Sun? 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 question has two completely oppo
How much Sun is expected to curve spacetime? [duplicate] Now the Sun isn't spherical, and it is rotating, but it isn't very aspherical and it isn't rotating very fast so to a good approximation our equation (1) will describe the spacetime curvature around it In fact equation (1) is the equation used by Einstein when he achieved one of GR's first triumphs by calculating the perihelion shift of Mercury
How is Earth protected from the gamma rays generated by the Sun? The Sun is generating energy by nuclear fusion This nuclear fusion will emit energy in the form of gamma rays Normally, the earth's ozone layer filters the ultraviolet radiation while the earth's
Is the light from the Sun the same as the light from a bulb? The light from the Sun has a color blip, right where early atomic physics suggested the element with two protons in its nucleus would radiate That element, called Helium (from Helios, Greek word for the Sun) really does exist discovery of Helium There isn't any of it (nor evidence of it) in light from a typical light bulb