On August 19th, 2018

The Science of the Sun

Summer is in full swing here and it's time for everyone to have fun in the sun. We all know the sun brightens our day, makes plants grow and keeps us warm, but there is so much more to the sun. Read on to find out more fun facts.

A real "super star"
The sun is huge! In fact, it's about 865,000 miles wide. Just how big is that? About one million earths could fit inside the sun. No wonder it can keep us so warm.

Zooming at the speed of light
Just how long does it take sunlight to reach Earth? Well, the sun is about 93 million miles away from Earth, so it doesn't reach us instantly. It takes eight minutes for sunlight to arrive on Earth.

The sun is so bright, I've got to wear shades
It's a good idea to wear sunglasses on sunny days to protect your eyes. You should never look directly at the sun, though, even with sunglasses. The sunlight can hurt your eyes.

Sunlight does a body good
You may have heard that milk helps give you strong bones. That's partly because we add Vitamin D to milk, which helps your bones grow big and strong. But playing outside helps your bones too. When the sun shines on you, your skin makes Vitamin D.

Feeling hot, hot, hot
In summer, we remember just how hot the sun is. But what is the sun's temperature? On the surface, it's about 10,000 degrees! The middle, or core, of the sun is even hotter. It's about 25 million degrees!

Happy birthday, sun!
Okay, no one knows exactly when the sun starting burning, but it is about 4 billion years old. There is still enough gas, hydrogen gas to be exact, inside the sun to keep it shining for about 5 billion more years. So, it's a middle-aged star.

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