Sun Home Solar All-in-One

Tagi: Home Solar Allinone

Is the distance between the Sun and the Earth increasing?

The distance is increasing due to friction from the tides. Besides the moon, the sun has a tidal component for the earths oceans, and when that crashes into continents the energy absorbed
How is distance between sun and earth calculated?

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.
What is actually meant by ''sun set'' and ''sun rise'' times, when

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
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
Historically, how do we know that Earth moves around Sun? And

I know the basics of solar system like how Earth moves around Sun, and that we have so many planets, elliptical orbit of earth, and how far is sun from earth etc etc. I want to take a step back
How much lux does the Sun emit?

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.
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
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
astronomy

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
thermodynamics

The sun is dissipating heat, thus increasing its local entropy, but it is dumping that heat onto Earth, which is more what the question is addressing in terms of asking if the Sun giving Earth