Unexplained Signals from Space

Unexplained Signals from Space

Assessment

Interactive Video

Science, Physics

9th - 12th Grade

Hard

Created by

Sophia Harris

FREE Resource

The video discusses three intriguing astronomical phenomena: the Wow Signal detected in 1977 by Ohio State University's radio telescope, the unusual dimming of star KIC 8462852 observed by Kepler, and a radio signal detected by Russian scientists in 2015. Each event sparked speculation about extraterrestrial life, but none provided conclusive evidence. The Wow Signal was a one-time occurrence, the dimming of KIC 8462852 remains unexplained, and the Russian signal was likely interference. These cases highlight the challenges in identifying signals from intelligent life.

Read more

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the 'Wow! Signal' and who discovered it?

A signal from a comet discovered by Neil deGrasse Tyson

A signal from a distant star discovered by Jerry Ehman

A signal from a nearby planet discovered by Carl Sagan

A signal from a black hole discovered by Stephen Hawking

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the 'Wow! Signal' considered a mystery?

It was a natural phenomenon

It was a signal from a known satellite

It was found to be a hoax

It was detected only once and never repeated

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What unusual behavior was observed in the star KIC 8462852?

It dipped in brightness by 22%

It emitted a strong radio signal

It moved closer to Earth

It changed color rapidly

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was one hypothesis about the cause of the brightness dip in KIC 8462852?

A black hole absorbing the star

A supernova explosion

A Dyson sphere built by an alien civilization

A large asteroid passing by

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What did the Russians initially think about the signal from HD 164595?

It was a signal from a nearby planet

It was a malfunction of their equipment

It was a natural cosmic event

It was a signal from intelligent life

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the final conclusion about the signal from HD 164595?

It was a hoax

It was a natural cosmic event

It was confirmed as a message from aliens

It was a signal from a military satellite