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The Sun is made of super-hot, electrically charged gas called plasma. This plasma rotates at different speeds on different parts of the Sun. At its equator, the Sun completes one rotation in 25 Earth days.
Sep 5, 2021 · What will our Sun look like after it dies? Scientists have made predictions about what the end will look like for our Solar System, and when that will happen. And humans won't be around to see the final act.
Oct 18, 2023 · What is the Sun made of? The Sun is primarily composed of two elements: hydrogen and helium. Hydrogen makes up about 74 percent of its mass, while helium accounts for some 24 percent.
- Nuclear Fusion
- Abundance of Elements
- Additional Resources
- Bibliography
In the sun's core, gravitational forces create tremendous pressure and temperatures. The temperature of the sun in this layer is about 27 million degrees Fahrenheit (15 million degrees Celsius). Hydrogen atoms are compressed and fuse together, creating helium. This process is called nuclear fusion. As the gases heat up, atoms break apart into charg...
Astronomers who have studied the composition of the sun have catalogued 67 chemical elements in the sun. There may be more, but in amounts too small for instruments to detect. Here is a table of the 10 most common elements in the sun, according to NASA Goddard Space Flight Center:
For more information about the sun, read NASA Science'sSolar System Exploration page. Additionally, you can find the answers to more questions about the sun at the Natural History Museum UKwebsite.
"On the photon diffusion time scale for the sun". Astrophysical Journal, Part 1 (1992). https://adsabs.harvard.edu/full/1992ApJ...401..759M "On the time scale of energy transport in the sun". Solar Physics (2003). https://www.researchgate.net/publication/226250698_On_the_time_scale_of_energy_transport_in_the_Sun "The random walk of radiation from t...
Jan 30, 2023 · In about 5.4 to 6.4 billion years, the Sun will run out of hydrogen, ending its main sequence phase, and causing drastic changes to the sun and the solar system.
Dec 2, 2019 · The sun’s energy moves water around the Earth. Different parts of the world (and even your neighborhood) are heated to different levels by the sun, and unequal heating and cooling of parts of the landscape cause air to move around from here to there which is what we call the wind.
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Jan 27, 2022 · Most of the material was hydrogen and helium, but some of it was made up of leftover remnants from the violent deaths of stars. About 4.5 billion years ago, waves of energy traveling through...
