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The retro packet and the retrorockets
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The Real Right Stuff

The retro packetand the retrorockets we talk about are really brakes. John Glenn's capsule...

The retro packet
and the retrorockets we talk about are really brakes. John Glenn's capsule was in space
with the large blunt end, facing forward, and the retrorockets are
on that blunt end. And what they are, is they throw
some thrust out forward, slowing the capsule down,
and that reduces its speed below orbital velocity, and the capsule
starts to reenter the atmosphere. All right, roger,
retracting scope manually

Full Transcript

00:00:01.000 --> 00:00:02.084
The retro packet and the retrorockets
00:00:02.096 --> 00:00:04.067
we talk about are really brakes.
00:00:05.087 --> 00:00:10.003
John Glenn's capsule was in space with the large blunt end, facing forward,
00:00:10.001 --> 00:00:13.262
and the retrorockets are on that blunt end.
00:00:13.721 --> 00:00:17.035
And what they are, is they throw some thrust out forward,
00:00:17.558 --> 00:00:20.561
slowing the capsule down, and that reduces its speed
00:00:20.645 --> 00:00:24.732
below orbital velocity, and the capsule starts to reenter the atmosphere.
00:00:25.483 --> 00:00:27.203
All right, roger, retracting scope manually.
Duration
27 seconds
Views
18
Timestamp in Movie
01:05:32
Uploaded
Jun 02, 2025
Genres
Production
N/A

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Movie Summary

Follow the story of the first American astronauts in space in this National Geographic documentary.