The Sun is a star at the center of our solar system, consisting of mostly hydrogen and helium gases and providing heat and light to the planets orbiting around it.
The average distance between the Sun and Earth is about 93 million miles, or 149.6 million kilometers.
Studying the Sun helps us understand the fundamental processes and dynamics of stars, as well as the effects of solar activity on Earth's climate and technology.
Some recommended readings on the Sun include "The Sun: A Biography" by David Whitehouse, "The Sun's Heartbeat: And Other Stories from the Life of the Star That Powers Our Planet" by Bob Berman, and "The Sun: Our Amazing Star" by Joan Marie Galat.
Observing the Sun directly without proper equipment can be dangerous for your eyes. It is recommended to use specially designed solar filters or observe through projection methods to safely view the Sun.