Mercury for Kids | Learn about the closest planet to the sun in our solar system

What do you know about Mercury, kids? Mercury is the smallest planet in our solar system and the closest to the sun. Scientists named it after the Roman messenger god Mercury, known for his speed. This name fits because Mercury moves quickly around the sun, completing one orbit in 88 Earth days! Even though it is close to Earth, it's still about 48 million miles away at its nearest point. That's like traveling around the Earth nearly 2,000 times!

One interesting thing about Mercury is that it has no moons. That's right! While planets like Jupiter and Saturn have dozens of moons, Mercury has none. Scientists think this is because the planet is so close to the sun that the sun's intense gravity might make it hard for Mercury to hold onto a moon.

A fun fact about this planet is that it has a magnetic field, but a very weak one. This is surprising because it's so small and has cooled down over billions of years. In general, planets with magnetic fields usually have a molten core. Mercury's size and temperature would suggest it has no magnetic field at all. But scientists think that its core might still be partly molten, despite its size. It's Mercury's mighty magnetic mystery!

We hope you and your student(s) enjoyed learning about the closet planet to the sun! If you want to learn even more, head over to our website and download one of our many lesson plans, full of activities, worksheets, and more!

https://learnbright.org/lessons/science/planets-mercury/

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What you will learn in Mercury for Kids:
0:00 Introduction
0:17 Facts about Mercury
1:30 Temperature and atmosphere
2:10 Special features of Mercury
3:15 Mercury's weak magnetic field

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