It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared …

Apr 22, 2025 · The Sun is about 100 times wider than Earth and about 10 times wider than Jupiter, the biggest planet. The Sun is the only star in our solar system. It is the center of our …

Dec 15, 2025 · Sun, star around which Earth and the other components of the solar system revolve. It is the dominant body of the system, constituting more than 99 percent of its entire …

Feb 2, 2024 · The sun is an ordinary star, one of about 100 billion in our galaxy, the Milky Way. The sun has extremely important influences on our planet: It drives weather, ocean currents, …

The Sun is the engine behind much of Earth’s environment, providing energy for everything from ocean currents and weather patterns to the plants and algae that form the base of many food …

The Sun is the closest star to Earth and is the center of our solar system. Learn about fun Sun facts.

Oct 18, 2023 · Facts about our Sun, including its distance from Earth, what the Sun is made of, and how long it would take to drive there (hint: a long time!).

May 12, 2025 · The Sun is a middle-aged star that shines brightly and supports life on Earth. The Sun, a yellow dwarf, is not very massive compared to larger stars like Betelgeuse. The Sun …

Aug 12, 2021 · Our Sun is a G-type star. Its color is white, although it tends to appear yellow or red when seen through the filter of Earth ’s atmosphere. G-type stars spend about 10 billion …

Sep 25, 2025 · Without light from the Sun, there would be no plants or animals—and, therefore, no food and we wouldn’t exist. Heat and light might be important for life on Earth, but the Sun …