WHAT IF THE SUN BECAME A BLACK HOLE? - PHYSICS STACK EXCHANGE
If the Sun became a black hole, but the mass remained the same as it is now, the Earth would orbit in the same manner that it currently does because of the reason that the mass does not … From bing.com
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 … From bing.com
SUN - WHY IS SUNLIGHT SPECTRUM CONTINUOUS? - PHYSICS STACK …
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
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 … From bing.com
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 … 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 … From bing.com
WHAT IS ACTUALLY MEANT BY 'SUN SET' AND 'SUN RISE' TIMES, WHEN …
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 … 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 … 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 … From bing.com
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