A Visitor from Space | Randall's ESL Cyber Listening Lab

Level:	Topic:	Speakers:	Length:
difficult	astronomy	one man	01:37

Pre-Listening Exercise

What threats exist in outer space that could affect life on earth?

Idioms

"do without" = lacking something essential
"If space travelers had to do without fresh water for very long, they wouldn't be able to survive."

"at the drop of a hat" = immediately, willingness to do something without delay
"I'd travel to the moon at the drop of a hat if I had the chance."

Listening Exercise

A. Listen to the recording and answer the questions.

What news event is being reported?

a volcanic eruption

an alien spacecraft landing

the impact of a meteorite

I've just arrived here in Barrow, Alaska, to bring you live coverage of what appears to be the results of a huge meteorite impact, perhaps the largest in recent history.

This event occurred about _______ kilometers south of Barrow, Alaska.

12

20

22

The exact location of the impact is unknown, but estimates put it about 20 kilometers south of Barrow based on shock waves felt throughout the region.

At the time of the incident, some witnesses reported ____.

seeing a falling round object

hearing a train-like sound

observing a bright light

Some witnesses say they saw a bright light streaking through the sky, accompanied by a roaring boom, moments before the impact.

A similar event 65 million years ago led to the ___.

extinction of the dinosaurs

development of plant life

evolution of the human race

A meteorite 10 kilometers in diameter crashed into Earth 65 million years ago which led to the mass extinction of many animal species including the dinosaurs.

Astronomers have focused their work on ___.

plotting the courses of asteroids

discovering new life in space

developing radar telescopes

In recent years, astronomers have focused more of their attention on the paths of many uncharted space rocks or asteroids floating out there in space.

Post-Listening Exercise

What are three specific things that world governments can do, individually or collectively, to prevent or minimize the impact of future catastrophes such as huge meteors and asteroids of this kind on a global scale? Use the Internet to research the topic of asteroid avoidance strategies or plans for planetary defense of such events.

See Listening Script

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