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- Sun - Wikipedia
The Sun is a G-type main-sequence star that makes up about 99 86% of the mass of the Solar System [31] The Sun is classed as a G2 star, [32] meaning it is a G-type star, with 2 indicating its surface temperature is in the second range of the G class
- Sun: Facts - NASA Science
The core is the hottest part of the Sun Nuclear reactions here – where hydrogen is fused to form helium – power the Sun’s heat and light Temperatures top 27 million °F (15 million °C) and it’s about 86,000 miles (138,000 kilometers) thick
- Sun | Definition, Composition, Properties, Temperature, Facts . . .
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
- Sun - Wikiwand
It is the main source of energy for life on Earth The Sun has been an object of veneration in many cultures and a central subject of astronomical research since antiquity
- Solar System - Wikipedia
The Sun accounts for 99 86% of the Solar System's total mass Inside the Sun's core, hydrogen is fused into helium, releasing energy that is emitted through the Sun's photosphere This creates the heliosphere and a decreasing temperature gradient across the Solar System
- Sun - NASA Science
The Sun is the star at the heart of our solar system Its gravity holds the solar system together, keeping everything — from the biggest planets to the smallest bits of debris — in its orbit
- Meet the Sun - Center for Science Education
The Sun radiates different forms of energy, including ultraviolet, infrared, and light energy, out into space Light and heat energy from the Sun warm our planet and make life possible
- Sun - Simple English Wikipedia, the free encyclopedia
The Sun is nearly a perfect sphere and has a diameter of about 1 39 million kilometers (or 864,000 miles), which is about 109 times wider than Earth Its mass is 333,000 times heavier than Earth, and it makes up over 99 8% of all the mass in the Solar System
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