The Sun
⭐ MasteredThe Sun is a star at the centre of our solar system. It gives Earth light and heat, and its gravity holds the planets in orbit. Never look straight at it.
The Sun is about 109 times wider than Earth.
All about The Sun
The Sun is a star at the centre of our Solar System. It is a huge ball of hot, glowing gas, mostly hydrogen and helium, and it contains more than 99% of the Solar System's mass. Its gravity holds all the planets in orbit.
The Sun gives Earth light and heat, which make life possible. It produces energy through nuclear fusion, where hydrogen atoms join together in its core. Never look directly at the Sun, because it can permanently damage your eyes.
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Real-life uses of The Sun
- Powering solar panels that make electricity
- Giving plants the light they need for photosynthesis
- Telling time and seasons on Earth
Frequently asked questions about The Sun
How hot is the Sun?
The surface is about 5,500°C, and the core is around 15 million°C.
Is the Sun a planet?
No. It is a star. Stars produce their own light, while planets reflect light from a star.
How far away is the Sun?
About 150 million kilometres, which light takes around eight minutes to travel.