NASA’s Space Launch System, or SLS, is a rocket that is more powerful than any other rocket NASA has built.

NASA is building this rocket for its Artemis Mission to the Moon in 2023.

NASA’s SLS is the only rocket that can send Orion spacecraft, astronauts and large cargo to the Moon on a single mission. The Orion spacecraft will carry astronauts into deep space, and then return them home safely to Earth.

How does SLS work?

• Each rocket has four engines at the bottom. When they start, they generate a powerful force downward which pushes the rocket upwards towards space.
• These engines have to be very powerful as they have to generate a ‘push’ strong enough to overcome Earth’s strong gravitational pull.
• The fuel and oxygen are kept in the middle and largest part of the rocket. This is kept at a very cold temperature.
• The top of the rocket will carry the Orion spacecraft, which can hold about 4 astronauts. When the rocket reaches space, the Orion spacecraft will break off from the SLS rocket and continue with its mission.

All this works according to Newton’s Third Law of Motion.

What is Newton's Third Law of Motion?

Newton’s Third Law of Motion states that for every action, there is an equal and opposite reaction.

Watch the video below of a NASA scientist showing how you can also make your own “rocket” with a balloon:

 

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