Corona Definition
The corona is the Sun's outer atmosphere, visible during a total solar eclipse. For example, it glows when the Moon blocks the Sun's light.
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Solar & Lunar Eclipses
Fun Facts
- Being 1 million times fainter than the light from the Sun itself, coronal light contains nothing that could cause blindness.
- The corona is made of hot gas and plasma.
- The corona extends for millions of miles into space.
Why Do We Need To Know About Corona
Learning about the corona helps us understand solar eclipses better and why they’re important for space research. When we watch the corona during a total solar eclipse, we get special information about the sun’s atmosphere. This is key for learning about the sun and predicting space weather, which is useful for people working in astronomy to help find new planets.
The study of the corona is not just for fun. Astronomers use what they learn about the corona to find planets outside our solar system, some of which might be like Earth. This shows why studying the corona is important for exploring space and could help us find other planets where life is possible.
Frequently Asked Questions
Check out the Full Lesson on Solar & Lunar Eclipses
In this lesson, we learn that:
- A model of the solar system can explain eclipses of the sun and the moon.
- A solar eclipse happens when our view of the sun is blocked by the moon.
- A lunar eclipse happens when the moon passes into Earth's shadow.
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