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1. en.wikipedia.org › wiki › SunSun - Wikipedia

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   20 hours ago · Sun. 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.

2. calgarysun.comHome | Calgary Sun Home Page | Calgary Sun

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   1 day ago · Read latest breaking news, updates, and headlines. Calgary Sun offers information on latest national and international events & more.

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4. www.britannica.com › place › SunSun | Definition, Composition, Properties, Temperature, & Facts

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   Jun 27, 2024 · 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.

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5. www.forbes.com › sites › jamiecartereuropeEarth Is Today At Its Farthest From The Sun—So Why ... - Forbes

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   2 days ago · At today’s aphelion, the planet is 94.5 million miles (152 million kilometers) away from the sun, according to timeanddate.com.In six months' time, it will be the opposite, perihelion, during ...

6. spaceplace.nasa.gov › all-about-the-sun › enAll About the Sun | NASA Space Place – NASA Science for Kids

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   Jun 13, 2024 · The Sun contains almost ALL of the material in our solar system. 99% of it. All the planets, asteroids and comets add up to less than 1% of the total. The Sun is so far away that it takes light about 8 minutes and 20 seconds for it to get to us – and light is the fastest thing in the universe.

7. cancer.ca › en › about-usStay sun safe this summer | Canadian Cancer Society

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   5 days ago · In Canada, UV rays are strong enough to raise your risk of developing melanoma and non-melanoma skin cancers, eye cancer, and lip cancer. UV rays can also cause premature aging of the skin and harm to the eyes. But the good news is, you can take steps to reduce the risk of skin cancer by staying sun safe — and learn tools to protect yourself ...

8. People also ask

   How far is the Sun from Earth?

   • The Sun orbits the Galactic Center at a distance of 24,000 to 28,000 light-years. From Earth, it is 1 AU ( 1.496 × 108 km) or about 8 light-minutes away. Its diameter is about 1,391,400 km ( 864,600 mi ), 109 times that of Earth. Its mass is about 330,000 times that of Earth, making up about 99.86% of the total mass of the Solar System.

   Sun - Wikipedia

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   Is the Sun a stable source of energy?

   • The Sun is a very stable source of energy; its radiative output, called the solar constant, is 1.366 kilowatts per square metre at Earth and varies by no more than 0.1 percent. Superposed on this stable star, however, is an interesting 11-year cycle of magnetic activity manifested by regions of transient strong magnetic fields called sunspots.

   Sun | Definition, Composition, Properties, Temperature, & Facts

   www.britannica.com/place/Sun

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   What is the astronomical symbol for the Sun?

   • The astronomical symbol for the Sun is a circle with a center dot, . It is used for such units as M☉ ( Solar mass ), R☉ ( Solar radius) and L☉ ( Solar luminosity ). The Sun is a G-type main-sequence star that makes up about 99.86% of the mass of the Solar System.

   Sun - Wikipedia

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   What type of star is the Sun?

   • The Sun is a G-type main-sequence star that makes up about 99.86% of the mass of the Solar System. It has an absolute magnitude of +4.83, estimated to be brighter than about 85% of the stars in the Milky Way, most of which are red dwarfs. The Sun is a Population I, or heavy-element-rich, [b] star.

   Sun - Wikipedia

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9. www.nytimes.com › article › aphelion-earth-sunWhat Is Aphelion? Earth Reaches Its Greatest Distance From ...

   www.nytimes.com › article › aphelion-earth-sun

   3 days ago · At aphelion, Earth’s distance from the sun is about 94.5 million miles. Six months later, at the start of January in the winter, Earth is at its closest point to the sun at 91.5 million miles ...