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Sun. The Sun is the star at the center of the Solar System. It is a massive, nearly perfect sphere of hot plasma, [18] [19] 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 center of our solar system, its structure, features, and history. Find out how the Sun affects Earth and other planets, and how it will change in the future.
- 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.
May 25, 2024 · This week, marvel at the sun’s complexity, discover a new side to Stonehenge, meet a clever corvid, explore a newly observed region of a black hole, and more.
2024 Solar Eclipse in Columbus. Experience a once-in-a-lifetime opportunity in Columbus, Ohio, as the sun, moon, and earth all align on April 8, 2024, to create the 2024 total solar eclipse. For the first time since 1806, Ohio will be in the direct path of a total solar eclipse.
Feb 10, 2024 · While the path of totality covers much of northern Ohio, areas of central Ohio may be able to catch the brief moments of total darkness on April 8, while others will see the sun at least 95% ...
Where is the Sun directly overhead right now? Today's Sun Position in Columbus. Day length today: 14h 52m (Jun 3, 2024) 1 minute, 1 second longer than yesterday (Jun 2, 2024) 5 hours, 32 minutes longer than winter solstice (Dec 21, 2023) 8 minutes, 39 seconds shorter than summer solstice (Jun 21, 2023) The Sun's altitude in Columbus today.
