What is the SOLAR SYSTEM?

​SOLAR SYSTEM

• A system including the ​SUN and all the objects that orbit around it!

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"Finally, we shall place the SUN himself at the center of our UNIVERSE!" 

THE PLANETS​ IN OUR SOLAR SYSTEM

​PLANETS

On a clear night, you might see a planet or two in the sky. Planets are round objects in space that are satellites of the SUN. Scientists have identified eight planets in our SOLAR SYSTEM. There used to be 9! ​

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Planets and their ORBITS

​ORBITING THE SUN

The planets ORBIT or CIRCLE around the SUN. THE PLANETS stay in their ORBITS. SIR ISAAC NEWTON said that they stay in their orbits because of GRAVITY and INERTIA! ​

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WHAT IS GRAVITY AND INERTIA?​

GRAVITY AND INERTIA

GRAVITY - is a force of attraction between all objects.

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INERTIA - ​is the tendency of a moving object to keep moving in a straight line.

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​https://youtu.be/YH3c1QZzRK4

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​The video below is about the people who always seek adventure and new lands - the WANDERERS. It shows what our future may be like when we discover how to travel and live on different planets like Mars.

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