Imagine This
How does the sun light up the world?
Jun 14, 2022
Explore how the Sun, as a star, lights up the world and influences plants and warmth. Join Professor Lisa Harvey-Smith on a journey to understand the Sun's nuclear fusion, energy production, and its vast size compared to Earth and other stars. Discover the contrast between the Sun's brilliance and the darkness of space as it shapes our daily experiences on Earth.
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Quick takeaways
- The sun is a giant star that creates light and heat through nuclear fusion.
- Stars in the universe illuminate distant worlds, contributing to the beauty of space.
Deep dives
The Sun as Our Closest Star
The sun is our closest star, a giant ball of hot, swirling gas held together by gravity. Atoms inside the sun whiz around at top speed, sticking together to create light and heat through nuclear fusion. The light from the sun travels through space to light up the half of the world facing it during the day, with the other half in shadow at night.
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