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The Milky Way Galaxy and Local Group

Description: The Milky Way Galaxy and Local Group Quiz
Number of Questions: 15
Created by:
Tags: astronomy amateur astronomy milky way galaxy local group
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What is the name of our galaxy?

  1. Andromeda Galaxy

  2. Milky Way Galaxy

  3. Sombrero Galaxy

  4. Whirlpool Galaxy


Correct Option: B
Explanation:

The Milky Way Galaxy is a barred spiral galaxy that contains our solar system.

What is the approximate diameter of the Milky Way Galaxy?

  1. 100,000 light-years

  2. 200,000 light-years

  3. 300,000 light-years

  4. 400,000 light-years


Correct Option: A
Explanation:

The Milky Way Galaxy is approximately 100,000 light-years in diameter.

What is the approximate mass of the Milky Way Galaxy?

  1. 100 billion solar masses

  2. 200 billion solar masses

  3. 300 billion solar masses

  4. 400 billion solar masses


Correct Option: A
Explanation:

The Milky Way Galaxy is approximately 100 billion solar masses.

What is the name of the supermassive black hole at the center of the Milky Way Galaxy?

  1. Sagittarius A*

  2. M87

  3. Cygnus X-1

  4. V404 Cygni


Correct Option: A
Explanation:

Sagittarius A* is the supermassive black hole at the center of the Milky Way Galaxy.

How many stars are there in the Milky Way Galaxy?

  1. 100 billion

  2. 200 billion

  3. 300 billion

  4. 400 billion


Correct Option: A
Explanation:

The Milky Way Galaxy is estimated to contain approximately 100 billion stars.

What is the name of the closest galaxy to the Milky Way Galaxy?

  1. Andromeda Galaxy

  2. Sombrero Galaxy

  3. Whirlpool Galaxy

  4. Large Magellanic Cloud


Correct Option: D
Explanation:

The Large Magellanic Cloud is the closest galaxy to the Milky Way Galaxy.

What is the name of the group of galaxies that includes the Milky Way Galaxy?

  1. Local Group

  2. Virgo Cluster

  3. Coma Cluster

  4. Hercules Cluster


Correct Option: A
Explanation:

The Milky Way Galaxy is part of the Local Group, which is a group of galaxies that includes the Andromeda Galaxy and several smaller galaxies.

How many galaxies are there in the Local Group?

  1. 10

  2. 20

  3. 30

  4. 40


Correct Option: D
Explanation:

The Local Group is estimated to contain approximately 40 galaxies.

What is the approximate distance between the Milky Way Galaxy and the Andromeda Galaxy?

  1. 2.5 million light-years

  2. 3.5 million light-years

  3. 4.5 million light-years

  4. 5.5 million light-years


Correct Option: A
Explanation:

The Milky Way Galaxy and the Andromeda Galaxy are approximately 2.5 million light-years apart.

What is the approximate speed at which the Milky Way Galaxy and the Andromeda Galaxy are moving towards each other?

  1. 100 kilometers per second

  2. 200 kilometers per second

  3. 300 kilometers per second

  4. 400 kilometers per second


Correct Option: A
Explanation:

The Milky Way Galaxy and the Andromeda Galaxy are moving towards each other at a speed of approximately 100 kilometers per second.

When is the Milky Way Galaxy expected to collide with the Andromeda Galaxy?

  1. 4 billion years

  2. 5 billion years

  3. 6 billion years

  4. 7 billion years


Correct Option: A
Explanation:

The Milky Way Galaxy and the Andromeda Galaxy are expected to collide in approximately 4 billion years.

What is the name of the resulting galaxy that will be formed after the collision of the Milky Way Galaxy and the Andromeda Galaxy?

  1. Milkdromeda

  2. Andromedromeda

  3. Milkymeda

  4. Andromedra


Correct Option: A
Explanation:

The resulting galaxy that will be formed after the collision of the Milky Way Galaxy and the Andromeda Galaxy is called Milkdromeda.

What is the approximate size of the Local Group?

  1. 10 million light-years

  2. 20 million light-years

  3. 30 million light-years

  4. 40 million light-years


Correct Option: A
Explanation:

The Local Group is approximately 10 million light-years in diameter.

What is the approximate mass of the Local Group?

  1. 1 trillion solar masses

  2. 2 trillion solar masses

  3. 3 trillion solar masses

  4. 4 trillion solar masses


Correct Option: A
Explanation:

The Local Group is approximately 1 trillion solar masses.

What is the name of the largest galaxy in the Local Group?

  1. Milky Way Galaxy

  2. Andromeda Galaxy

  3. Sombrero Galaxy

  4. Whirlpool Galaxy


Correct Option: B
Explanation:

The Andromeda Galaxy is the largest galaxy in the Local Group.

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