Blast Off: A Rocket's Journey to Space By Alan xiao

What is a rocket?

Definition: a cylindrical projectile that can be propelled to a great height or distance by the combustion of its contents, used typically as a firework or signal.

Now that we know what a rocket is, what does a rocket carry?

Rockets usually carry satellites, crews, and supplies to space.

Space food is freeze dried

How do rockets get into space?

In the beginning, solid fuel boosters are used, whilst also firing the main engine.

Then the 1st stage (solid boosters) get dropped off

Then the 2nd stage fires until it has no more fuel and gets separated from the 3rd stage.

Finally the 3rd stage puts the satellite into space and into a orbit.

But wait, how do we get things into orbit?

Orbit can only be achieved by having an altitude over 100 km (62 miles) at a speed of at least 7.8km/s. The higher the orbit the slower the satellite has to travel. To stay in orbit, the speed of the satellite has to be fast enough so that it won't fall back to earth, and slow enough so that it doesn't fly off into space.

This video will sum up all of the things you learned here and hopefully you had a good time.

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