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 …
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 is distance between sun and earth calculated?
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 …
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 …
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 …
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 …
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 …
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.
How to get 3D coordinates (XYZ) of the sun given Azimuth and …
Apr 22, 2022 · 0 I want to create an Augmented Reality (AR) application to show the sun's position where I need the 3D (XYZ) coordinates to plot in Augmented Reality (AR). Main …
Equation of Earth's Orbit around Sun (ellipse)
These two distances help identify the location of the sun on the major axis of Earth's elliptical orbit. Assume that the major axis of Earth is on the x-axis. a. Find an equation of the Earth's …
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