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Outer Space

The Sun

The Sun is the source of energy for the Solar System, which makes life possible on Earth. All the objects in the Solar System revolve around it. The Sun is actually a star found at the center of the Solar System. It is estimated to be about 4 1/2 billion years old. The Romans called the Sun Sol, which in English means sun. In ancient Greece, the Sun was called Helios.

• The Sun is over 300,000 times larger than the Earth. At around 865,000 miles wide, the Sun’s diameter is about 110 times wider than the earths. • Around 74% of the Sun’s mass is made up of hydrogen. Helium makes up around 24%. Heavier elements such as oxygen, carbon, iron and neon make up the remaining 2%.

• Light from the Sun reaches the Earth in around 8 minutes. The Sun ap-pears small to us on earth because it is 93 million miles away!

Read more about the Sun in today’s Outer Space!

Click HERE to download this activity as a printable PDF.

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