Name: How the Apollo Spacecraft works: Part 3
Uploaded: 2021-04-26T06:51:24.000Z
Duration: 4 min 2 s
Description: Thousands of YouTube videos with English-Chinese subtitles! Now you can learn to understand native speakers, expand your vocabulary, and improve your pronunciation...

let's talk about the Lunar Module a little more.

The Descent Stage got us safely to the surface,

but now it's dead weight and will be left behind

The Ascent Stage has it's own propulsion system, which

is what gets the two Astronauts safely back into orbit.

Don't forget about our one lonely Astronaut, who's still

What I'm about to explain is called Rendezvous and Docking.

I'm going to change the Moon's scale here,

Lift off, will need to happen at just the right time.

This gets us initially back into Lunar Orbit.

Several short engine burns happen over the next

It takes almost two orbits before Docking can happen.

On later Apollo Missions, they were able to do this in

all valuables are transferred to the Command Module.

It's time to say goodbye to the LM Ascent Stage;

it was either left floating in Lunar Orbit,

this is very similar to what we've done before.

On the far side of the Moon, the Service Module Engine

fires up for about two and a half minutes.

This is called the Trans-Earth Injection.

It was a three day journey to get back home.

Remember that the Service Module contains things like

This means that all three Astronauts are in the

Command Module for the remainder of the journey.

We started with the giant Saturn Five Rocket

and now the Command Module is the only part

The climax of the whole mission is called Re-entry.

All this time the Service Module was protecting

what's on the bottom side of the Command Module,

Re-entering the Earth's atmosphere is dangerous

The Heat Shield protects the Command Module for

several minutes as it passes through the atmosphere.

Down below, an Aircraft Carrier waits for the

Once we get about two miles above the surface,

the parachutes are deployed to slow us down even more.

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How the Apollo Spacecraft works: Part 3

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