WHY DO WE SAY THAT THE EARTH MOVES AROUND THE SUN?
3 The sun, moon, earth (and so on) all move around each other. The reason we say the earth moves around the sun is because the effects are more visible on a macro scale, and easier to predict with … From bing.com
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... From bing.com
SUN - WHY IS SUNLIGHT SPECTRUM CONTINUOUS? - PHYSICS STACK EXCHANGE
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. From bing.com
Feb 15, 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. From bing.com
Oct 24, 2017 0 A solar noon is defined when the Sun is at the zenith (directly above). Since the Earth revolves round the Sun, the point that is directly above would have changed because Earth is in a … From bing.com
NUCLEAR FISSION IN THE SUN - PHYSICS STACK EXCHANGE
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... From bing.com
WHY DOES THE SUN "SHINE BRIGHTER" SOME DAYS? [DUPLICATE]
1) The sun seems brighter (more dazzling) if there is more scattering in the atmosphere. The sun would actually look very small to us in the sky if there were no atmosphere (it's the same angular size as … From bing.com
WHAT IS ACTUALLY MEANT BY 'SUN SET' AND 'SUN RISE' TIMES, WHEN TAKING ...
Feb 15, 2017 If this is the case, then when we read things like what time sun sets and rises on websites, books, calendars, other official times, et al… does that mean when we see for example … From bing.com
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 From bing.com
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 almost exact total solar From bing.com
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