Giant Magellan Telescope (GMT)

Description: The Giant Magellan Telescope (GMT) is an extremely large telescope (ELT) under construction in the Atacama Desert of Chile. When completed, it will be the largest and most powerful optical telescope in the world.
Number of Questions: 15
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Tags: astronomy telescopes giant magellan telescope
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What is the primary mirror diameter of the GMT?

  1. 25 meters

  2. 30 meters

  3. 35 meters

  4. 40 meters


Correct Option: A
Explanation:

The GMT will have a primary mirror with a diameter of 25 meters, making it the largest optical telescope in the world.

Where is the GMT being built?

  1. Atacama Desert, Chile

  2. Hawaii, USA

  3. Canary Islands, Spain

  4. South Africa


Correct Option: A
Explanation:

The GMT is being built in the Atacama Desert of Chile, which is one of the driest and clearest places on Earth, making it an ideal location for astronomical observations.

What is the expected completion date of the GMT?

  1. 2025

  2. 2027

  3. 2029

  4. 2031


Correct Option: C
Explanation:

The GMT is expected to be completed in 2029, after a construction period of approximately 10 years.

How many mirrors will the GMT have?

  1. 7

  2. 11

  3. 19

  4. 27


Correct Option: A
Explanation:

The GMT will have a total of 7 mirrors, including the primary mirror, secondary mirror, and five tertiary mirrors.

What is the scientific goal of the GMT?

  1. Studying the early universe

  2. Searching for exoplanets

  3. Observing black holes

  4. All of the above


Correct Option: D
Explanation:

The GMT will be used to study a wide range of astronomical phenomena, including the early universe, exoplanets, black holes, and the formation and evolution of galaxies.

Which countries are involved in the GMT project?

  1. United States

  2. Chile

  3. Australia

  4. All of the above


Correct Option: D
Explanation:

The GMT project is a collaboration between the United States, Chile, and Australia.

How much will the GMT cost to build?

  1. $1 billion

  2. $2 billion

  3. $3 billion

  4. $4 billion


Correct Option: A
Explanation:

The total cost of the GMT project is estimated to be approximately $1 billion.

What is the expected lifespan of the GMT?

  1. 20 years

  2. 30 years

  3. 40 years

  4. 50 years


Correct Option: D
Explanation:

The GMT is expected to have a lifespan of approximately 50 years, allowing it to make significant contributions to astronomy for many decades.

What is the name of the organization that is responsible for managing the GMT project?

  1. GMT Corporation

  2. GMT Observatory

  3. GMT Science Council

  4. GMT Board of Directors


Correct Option: A
Explanation:

The GMT Corporation is the organization that is responsible for managing the GMT project.

What is the name of the telescope's primary mirror?

  1. The Giant Magellan Mirror

  2. The Magellan Mirror

  3. The GMT Mirror

  4. The Chilean Mirror


Correct Option: A
Explanation:

The telescope's primary mirror is called the Giant Magellan Mirror.

How many segments make up the Giant Magellan Mirror?

  1. 6

  2. 7

  3. 8

  4. 9


Correct Option: B
Explanation:

The Giant Magellan Mirror is made up of 7 segments.

What is the diameter of each segment of the Giant Magellan Mirror?

  1. 6.5 meters

  2. 7.5 meters

  3. 8.5 meters

  4. 9.5 meters


Correct Option:
Explanation:

Each segment of the Giant Magellan Mirror has a diameter of 8.4 meters.

What is the total weight of the Giant Magellan Mirror?

  1. 100 tons

  2. 200 tons

  3. 300 tons

  4. 400 tons


Correct Option: B
Explanation:

The total weight of the Giant Magellan Mirror is 200 tons.

What is the thickness of each segment of the Giant Magellan Mirror?

  1. 10 centimeters

  2. 20 centimeters

  3. 30 centimeters

  4. 40 centimeters


Correct Option:
Explanation:

Each segment of the Giant Magellan Mirror is 17 centimeters thick.

What is the focal length of the Giant Magellan Telescope?

  1. 25 meters

  2. 50 meters

  3. 75 meters

  4. 100 meters


Correct Option: A
Explanation:

The focal length of the Giant Magellan Telescope is 25 meters.

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