Search results
Get the latest news, exclusives, sport, celebrities, showbiz, politics, business and lifestyle from The Sun.
- Major update after Channel 4 star, 24, found dead alongside girlfriend’s body – as cops launched murder probe
- Cops foil Just Stop Oil plot to wreck summer holidays with 27 activists nicked
- Martin Mull dead at 80 after ‘long illness’ as tributes pour in for Roseanne and Sabrina the Teenage Witch star
- ‘Explosions & screams’ heard after 100s forced out of homes for SEVEN HOURS while bomb squad swarm Nottingham street
- Married accountant being sued for £1.1million after spending £160,000 of his company cash on escorts
The Sun is the star at the center of the Solar System. 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 with 10% at ultraviolet energies.
Learn about the Sun, the star at the heart of our solar system, and its connection and interactions with Earth. Explore the Sun's names, myths, songs, eclipses, and more with NASA resources and activities.
- Composition. The sun is made up of a blazing combination of gases. These gases are actually in the form of plasma. Plasma is a state of matter similar to gas, but with most of the particles ionized.
- Electromagnetic Radiation. The sun’s energy travels to Earth at the speed of light in the form of electromagnetic radiation (EMR). The electromagnetic spectrumexists as waves of different frequencies and wavelengths.
- Evolution of the Sun. The sun, although it has sustained all life on our planet, will not shine forever. The sun has already existed for about 4.5 billion years.
- Sun’s Structure. The sun is made up of six layers: core, radiative zone, convective zone, photosphere, chromosphere, and corona. Core. The sun’s core, more than a thousand times the size of Earth and more than 10 times denserthan lead, is a huge furnace.
Learn about the Sun, the star at the center of our solar system, its size, temperature, structure, and history. Find out how the Sun affects Earth and other planets, and how we study it with spacecraft and telescopes.
3 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. The Sun is the source of an enormous amount of energy, a portion of which provides Earth with the light and heat necessary to support life.
Learn about the Sun, the star at the centre of our solar system, its composition, temperature, lifespan, and features. Find out how the Sun affects Earth and other planets, and explore its history and future.
