The Great Attractor: A Truly Massive Mystery

The Great Attractor: A Truly Massive Mystery

Assessment

Interactive Video

Physics, Science

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores the concept of the Great Attractor, a massive gravitational anomaly pulling galaxies, including the Milky Way, towards it. Despite the universe's expansion, this anomaly causes a peculiar velocity in our galaxy. The video discusses the Virgo Supercluster and the Shapley Supercluster, both massive structures contributing to this gravitational pull. The Zone of Avoidance, an area obscured by our galaxy, complicates observations. The video concludes with a call to action for viewers to subscribe and support the channel.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the estimated mass of the object pulling the Milky Way towards it?

1,000,000 billion Suns

10,000 billion Suns

1,000 billion Suns

100 billion Suns

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used to describe the deviation from the expected movement of galaxies due to the universe's expansion?

Cosmic Shift

Hubble Flow

Peculiar Velocity

Galactic Drift

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it difficult to observe the Great Attractor directly?

It emits no light

It is moving too fast

It is too far away

It is located in the Zone of Avoidance

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Shapley Supercluster known for?

Being the smallest supercluster

Being the closest supercluster to Earth

Having the mass of 10,000 Milky Way galaxies

Containing the most black holes

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What remains uncertain about the source of our peculiar velocity?

The number of galaxies in the Virgo Supercluster

The speed at which the universe is expanding

The exact distance to the Great Attractor

Whether the Shapley Supercluster is the sole cause