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B1 Intermedio Inglés 5:32 Educational

Rockets 101 | National Geographic

National Geographic · 6,030,168 vistas · Añadido hace 4 días

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B1

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5/10

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Subtítulos (103 segmentos)

00:00

- [Narrator] The ground begins to tremble.

00:04

- [Announcer] Three.

00:04

- [Narrator] Massive engines roar to life.

00:07

- [Announcer] Two.

00:08

- [Narrator] Billowing clouds of exhaust.

00:11

- [Announcer] One.

00:11

- [Narrator] And then a blinding pillar of fire.

00:13

- [Announcer] Liftoff. We have a liftoff.

00:16

- [Narrator] A mighty voyager leaves the Earth behind

00:20

to explore the vast universe among the stars.

00:29

Launching a rocket into space

00:30

is one of humankind's crowning achievements.

00:35

Although they come in many different shapes and sizes,

00:38

all rockets are propelled by engines that produce thrust.

00:43

The rockets that launch into space

00:45

are made up of four major systems, based on function.

00:49

The structural system makes up the frame

00:52

that holds the rocket together

00:53

and consists of the cylindrical body, nose cone, and fins.

00:58

Next, the propulsion system

01:00

takes up the most amount of space

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