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Astro Cat Explains… The Sun!

Anyone watching the recent solar eclipse was able to see a rare phenomenon in our galaxy. Our Sun is around 400 times larger in diameter than the Moon, but it is also 400 times further away. That’s a coincidence on an astronomical scale! And it’s why the Moon and Sun appear to be similar sizes in the sky.

We’ve got 3 more mind-boggling facts about the Sun just below. And if your child still has questions about our star and space in general afterwards, Astro Cat’s Solar System app is the perfect way to get children interested in our incredible solar system.

The Sun and Solar System

The Sun is at the centre – but it isn’t fixed in place

The Sun’s gravity holds all of the planets in their orbits. However, did you know that the planets also affect the Sun with their gravity? Jupiter’s strong pull actually makes it ‘wobble’ a bit!

The Sun is essential for life – but it’s also dangerous!

Earth’s magnetic field is created because of our planet’s core, which is full of conductive materials that are splashing around in a melted state. We’re very lucky to have this big magnetic shield around us, as it stops strong solar winds from damaging our atmosphere.

The Sun was born about 4.5 billion years ago

Stars form from clouds of gas, which float around in space until gravity takes hold. They are pulled closer and closer together, and begin to spin and heat up. The extreme heat and density force the gas into a huge ball of reactions. These fusion reactions (when atoms are fused together) generate a huge amount of heat and light. That’s what keeps us warm!

 

You can learn even more about our star in Professor Astro Cat’s Solar System, available on the App Store, Google Play, and Amazon.

And if you’re looking for more science-based games to play this weekend, try the new app Galactic Genius with Astro Cat too!

 

 

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