What are the important facts about the Sun?
Understand the Problem
The question refers to important facts about the Sun and asks for specific information that can be extracted from the provided text, likely seeking to understand details like distance, composition, or missions related to the Sun.
Answer
The Sun is over 4.6 billion years old, self-luminous, and mainly hydrogen and helium.
The Sun is composed mainly of hydrogen and helium, it's over 4.6 billion years old, accounts for 99.8% of the solar system's mass, and it's self-luminous. Its distance from Earth varies from 147 to 152 million km.
Answer for screen readers
The Sun is composed mainly of hydrogen and helium, it's over 4.6 billion years old, accounts for 99.8% of the solar system's mass, and it's self-luminous. Its distance from Earth varies from 147 to 152 million km.
More Information
The Sun's immense mass creates a gravitational pull that anchors the planets, comets, and asteroids in orbit. It converts hydrogen into helium via nuclear fusion, releasing energy that provides warmth and light to Earth.
Tips
A common error is confusing the Sun's surface temperature with its core temperature. Remember, the core is much hotter.
Sources
- All About the Sun | NASA Space Place - spaceplace.nasa.gov
- Earth's sun: Facts about the sun's age, size and history - Space.com - space.com
- Factfile: The Sun - Natural History Museum - nhm.ac.uk
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