Search results
Learn about the Sun, the star at the center of the Solar System, its structure, fusion, evolution, and observational history. Find out how the Sun affects Earth and its life, and how it is studied by science and culture.
SUN Behavioral Columbus is a 144-bed psychiatric hospital located on the north side of Columbus. The hospital provides a full continuum of specialized care, including inpatient and day hospital services, for those suffering from mental health illness and substance use disorders.
The Sun is a 4.5 billion-year-old yellow dwarf star – a hot glowing ball of hydrogen and helium – at the center of our solar system. It’s about 93 million miles (150 million kilometers) from Earth and it’s our solar system’s only star. Without the Sun’s energy, life as we know it could not exist on our home planet.
People also ask
Is the Sun a stable source of energy?
How far is the Sun from Earth?
Why is the Sun important?
Is the Sun a solid or a gas?
Learn about the Sun, the star at the heart of our solar system, and its influence on Earth and beyond. Explore its history, science, culture and upcoming missions with NASA.
- 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.
4 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.
Sep 15, 2018 · Learn about the sun's characteristics, life cycle, and effects on Earth and the solar system. Find out how the sun produces energy, light, heat, and space weather, and what will happen when it dies.
