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B2 Upper Intermediate English 5:23 661 words Educational

Why don't we send our trash to space? - Jim Bentley and Imogen Ellen Napper

TED-Ed · 184,648 views · Added 2 months ago

AI Summary

This video examines the growing problem of space debris, from accidental satellite losses to the threat of Kessler syndrome, and explores potential solutions like sustainable aviation fuels and debris removal technologies. Learners will encounter specialized vocabulary related to space science, engineering, and environmental policy, including terms like 'orbital debris,' 'controlled re-entry,' 'Kessler syndrome,' and 'servicer satellites.' It is a great resource for building technical and environmental English.

Learning Stats

B2

CEFR Level

661

Total Words

356

Unique Words

6/10

Difficulty

Vocabulary Diversity 54%

Subtitles (33 segments)

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00:07

In July of 1969, Neil Armstrong and Buzz Aldrin left the first human footprints on the moon.

00:18

They also left two pairs of boots, a handful of tools, and four vomit bags.

00:23

This lunar litter was far from the last space junk humanity has produced.

00:29

In 2006, Suni Williams lost her camera while tussling with a stuck solar array on the ISS.

00:37

And the following year, a similar job resulted in the loss of a bag filled with $100,000 worth of tools.

00:45

These accidental satellites typically have short lifespans, before falling back to Earth and burning up in our atmosphere.

00:52

However, other pieces of space junk, like SpaceX’s Tesla Roadster, will be stuck in their orbits for the foreseeable future.

Full subtitles available in the video player

Key Vocabulary (18)

large A1 noun

A specific size category for items such as clothing, coffee, or containers that is bigger than medium. It is commonly used when selecting from a range of standard sizes in shops and restaurants.

left A2 adjective

Positioned on or relating to the side of the human body which is to the west when the person is facing north. It describes a direction or location that is the opposite of right.

first A1 adjective

before all

Grammar in This Video

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