What Are Some Mysteries Surrounding the Sun?

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The Sun appears stationary due to its massive size and the gravitational forces that keep it in place within the solar system. Research on the Sun is crucial as it can provide insights into solar activity, its impact on Earth, and the history of our planet. Despite existing for billions of years, the Sun remains hot due to nuclear fusion processes in its core, with estimates suggesting it will continue to shine for several billion more years before cooling. The Sun's gravitational force is significantly stronger than Earth's, influencing the orbits of planets and other celestial bodies. Understanding these mysteries can enhance our knowledge of both the Sun and its relationship to Earth.
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1. The Sun is burning really angrily, but could you please tell me why it stands still year after year without moving around like our Earth or many other planets?

2. Why do people nowadays try to do many researches on it ? What can it tell us if we could discover something on the Surface or able to take anything material emitted from it? Is there anything relating to our Earth history ?

3. The Sun has come into existence for many many years (I am sorry I also actually don't know how long), but why is it still not getting cool ? How many years later will it get cold ?

4. The Sun also has its own "attracting" force, how can we compare it with Earth gravity ?

Thank you very much
 
Astronomy news on Phys.org
http://www.astro.uva.nl/demo/sun/kaft.htm

this is a good site to learn about the sun.
 
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