Sun - Wikipedia
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 radiation …
Sun: Facts - NASA Science
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-related terms as …
Sun - National Geographic Society
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, seasons, and …
Meet the Sun - Center for Science Education
The Sun is the closest star to Earth and is the center of our solar system. Learn about fun Sun facts.
Current Solar Images
SolarMonitor.org : Includes information on active regions and solar activity from the Global H-alpha Network, Solar and Heliospheric Observatory (SOHO), GONG+, and the National Oc
The Sun, our Solar System’s star | The Planetary Society
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 chains.
Sun unleashes powerful solar flares. Here's what it means.
3 days ago · The sun emitted some of the most powerful solar flares this week, NASA announced. The star emitted three strong solar flares on Sunday, Feb. 1, peaking at 7:33 a.m. ET, 6:37 p.m. ET and …
Sun Facts: What You Need to Know - ThoughtCo
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 has different …
The Sun: Complete Information & Live Data | TheSkyLive
The Sun: Complete and live astronomy data, visibility information, sky charts, graphs, and tools for sky-watchers at all levels.
Sun | Definition, Composition, Properties, Temperature, & Facts ...
2 days ago · 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 mass.