What's Up With the 'Alien Megastructure?'

What's Up With the 'Alien Megastructure?'

Assessment

Interactive Video

Physics, Science, Other

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores the mysterious dimming of star KIC 846-2852, which has led to speculation about potential alien megastructures. However, the most likely explanation is a swarm of shattered comets. The video discusses the challenges in confirming this theory, including the lack of infrared radiation that would be expected from such debris. Future observations aim to gather more data to support or refute the comet hypothesis. The video concludes by acknowledging the support of patrons and encouraging viewers to subscribe for updates on potential alien discoveries.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is unusual about the star KIC 846-2852?

It emits extra infrared radiation.

It dims by about 20% unpredictably.

It is the closest star to Earth.

It has a constant brightness.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one hypothesis for the dimming of KIC 846-2852?

A planet with a highly elliptical orbit.

A swarm of megastructures built by aliens.

A black hole passing in front of the star.

A supernova explosion nearby.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the megastructure hypothesis for KIC 846-2852's dimming considered unlikely?

The star emits extra infrared radiation.

There is no extra infrared radiation detected.

The star is too small to support megastructures.

The star is too far from Earth.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the most likely explanation for the dimming of KIC 846-2852 according to researchers?

A nearby black hole.

A swarm of shattered comets.

A malfunction in the Kepler Space Telescope.

A large asteroid belt.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What method is being used to search for extraterrestrial signals from KIC 846-2852?

The Very Large Array.

The Hubble Space Telescope.

The Allen Telescope Array.

The Arecibo Observatory.