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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 is actually meant by sun set and sun rise times, when taking . . . 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 ‘sun set at 18:35’ is the time denoting the actual sun set taking into account of the mirage or what is visible to us
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 distance between the Sun and the Earth increasing? Besides the moon, the sun has a tidal component for the earths oceans, and when that crashes into continents the energy absorbed comes from the potential energy of the sun-earth system I am not sure how this compares to the distance loss due to the mass and energy radiation of the sun you mentioned
astronomy - How did Halley calculate the distance to the Sun by . . . Two remarks First, Halley never actually measured distance to the Sun - he died before the next opportunity arose; second, the method described in this answer is not the method proposed by Halley (and could not be made to work without a measurement of the transit track and solar oblateness simply not possible in Halley's day) Halley's method takes advantage of Earth's diurnal rotation, which
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 is the simplest way to prove that Earth orbits the Sun? 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 that the Moon orbits Earth?
Why doesnt sun go all the way to the horizon during sunset? Everytime I see the pics of suset on beaches the sun appear to go all the way down to the surface of the sea (as shown in the picture) but when I see sunset in my region , the sun disappears well above the horizon Why does that happen ? EDIT :- A better picture of the sunset
Where do planets get energy to revolve around sun? [duplicate] Closed 11 years ago We know that every planet in our solar system revolve's around the sun in a particular orbit But were to they get the energy to revolve around the sun And why do they not drop into the sun there is only gravitational force acting which is always attractive in nature?