How Astronauts return to earth After Landing on the Moon

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Transcript

00:00I've always been curious about how astronauts return to Earth after landing on the Moon.

00:05It turns out the key lies in the Lunar Module.

00:08The Lunar Module is actually divided into two parts.

00:12One part is the Descent Stage, which is used for the astronaut's safe landing on the Moon.

00:18This part is abandoned on the Moon after completing its mission.

00:22The other part is the Ascent Stage, which has an independent propulsion system that

00:27allows the two astronauts to return to lunar orbit.

00:32Now let's see how it works.

00:33The propulsion system takes the Ascent Stage into lunar orbit, where it docks with the

00:38Command Module and Service Module.

00:41It's important to note that the Apollo lunar mission involved three people, one of whom

00:46piloted the Command Module, orbiting the Moon.

00:49He was waiting for the two astronauts on the Moon to dock with him.

00:53Before the Command Module and Ascent Stage dock, they need to orbit the Moon about twice

00:58to successfully dock the two modules.

01:01After a successful docking, valuable experimental items from the Moon are transferred to the

01:07Command Module, and the Lunar Module is discarded in space.

01:11The Command Module then begins its journey towards Earth's orbit, also known as Trans-Earth

01:16Injection.

01:18After three days of space travel, the Command Module and Service Module enter Earth's orbit.

01:24Since the main function of the Service Module is to propel the Command Module into Earth's

01:28orbit, it is discarded after entering Earth's orbit.

01:31Finally, only the Command Module returns to Earth.

01:35The risk level of the Command Module's return to Earth can be considered 5A because the

01:39friction with the air generates a lot of heat, and any mistake could destroy the Command

01:44Module and the astronauts inside.

01:47Here we must admire the scientists in the aerospace field, who through various technologies

01:52ultimately ensure the astronauts' safe return home.

01:56Like and follow for more informative videos.

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