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Apr 17, 2024 · More fun facts about the Sun! The Sun goes through ups and downs in activity like solar flares. It gets more active with more sunspots and then less active over a period of 11 years. This is called the solar cycle. The Sun has been getting slowly brighter since it was born. A couple of billions of years ago, the Sun was a little dimmer than it ...
Sun Facts – What is the Sun? The Sun is the star at the center of our solar system. It is a big ball of gas and plasma that generates its own energy through nuclear fusion in its core. As our one and only star, it is the only natural source of light in the entire solar system.
Jun 9, 2021 · Magnetic field. Chemical composition. Sunspots and solar cycles. History of observing the sun. The sun lies at the heart of the solar system, where it is by far the largest object. It holds 99.8%...
2 days ago · The Sun is primarily composed of hydrogen (about 75%) and helium (about 24%), with the remaining 1% consisting of heavier elements such as oxygen, carbon, neon, and iron. This composition is a ...
Nov 30, 2016 · The sun is the closest star to Earth and is 149.60 million kilometers (92.96 million miles) away. [3] At its core, the sun’s temperature is about 15 million degrees Celsius (about 27 million degrees Fahrenheit). [3] The sun rotates on its axis once every 25.38 Earth days or 609.12 hours. [3] A European illustration of the idol of Huitzilopochtli.
5 days ago · Answer your questions: What is a solar eclipse? What causes the seasons? What is space weather? Where does the Sun's energy come from? Articles, games and activities about our closest star.
Nov 3, 2019 · Temperatures at the sun's 300-mile-thick surface are much cooler, about 10,000 degrees Fahrenheit. The sun's innermost surface layer, the photosphere, is the deepest layer that we can observe. The ...
