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 Latin word for Sun is “sol,” which is the main adjective for all things Sun-related: solar. Helios, the Sun god in ancient Greek mythology, lends his name to many Sun …

3 days ago · The sun unleashed its strongest flare of 2025, an X5.1 class blast from prolific sunspot AR4274 and triggered radio blackouts across Africa and Europe.

1 day ago · The sun produced its strongest solar flare of 2025, an X5.1-class eruption from sunspot AR4274 triggering severe radio disruptions across continents. The major event …

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 · The Sun is a dynamic and complex star that plays a critical role in our daily lives. It’s a massive, incredibly hot ball of gas that’s been burning bright for billions of years.

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 …

Aug 23, 2023 · The sun warms our planet every day, provides the light by which we see and is necessary for life on Earth. Learn about the sun.