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Extremely Large Telescope (ELT)

Test your knowledge on the Extremely Large Telescope (ELT), a revolutionary ground-based telescope.

14 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

What is the primary purpose of the Extremely Large Telescope (ELT)?

  1. To study the formation and evolution of galaxies.
  2. To search for exoplanets.
  3. To observe black holes and other compact objects.
  4. To study the composition of stars and planets.
Question 2 Multiple Choice (Single Answer)

Where is the ELT located?

  1. Cerro Paranal, Chile
  2. Mauna Kea, Hawaii
  3. La Palma, Canary Islands
  4. Atacama Desert, Chile
Question 3 Multiple Choice (Single Answer)

What is the diameter of the ELT's primary mirror?

  1. 12 meters
  2. 24 meters
  3. 39 meters
  4. 42 meters
Question 4 Multiple Choice (Single Answer)

What is the total cost of the ELT project?

  1. €1 billion
  2. €2 billion
  3. €3 billion
  4. €4 billion
Question 5 Multiple Choice (Single Answer)

When is the ELT expected to be completed?

  1. 2025
  2. 2027
  3. 2030
  4. 2035
Question 6 Multiple Choice (Single Answer)

How many segments make up the ELT's primary mirror?

  1. 798
  2. 980
  3. 1170
  4. 1330
Question 7 Multiple Choice (Single Answer)

What is the mass of the ELT's primary mirror?

  1. 250 tons
  2. 500 tons
  3. 750 tons
  4. 1000 tons
Question 8 Multiple Choice (Single Answer)

What is the focal length of the ELT?

  1. 100 meters
  2. 200 meters
  3. 300 meters
  4. 400 meters
Question 9 Multiple Choice (Single Answer)

What is the angular resolution of the ELT?

  1. 0.001 arcseconds
  2. 0.002 arcseconds
  3. 0.003 arcseconds
  4. 0.004 arcseconds
Question 10 Multiple Choice (Single Answer)

What is the sensitivity of the ELT?

  1. 10 times the sensitivity of the Hubble Space Telescope
  2. 100 times the sensitivity of the Hubble Space Telescope
  3. 1000 times the sensitivity of the Hubble Space Telescope
  4. 10000 times the sensitivity of the Hubble Space Telescope
Question 11 Multiple Choice (Single Answer)

What are some of the scientific goals of the ELT?

  1. To study the formation and evolution of galaxies.
  2. To search for exoplanets.
  3. To observe black holes and other compact objects.
  4. To study the composition of stars and planets.
  5. All of the above
Question 12 Multiple Choice (Single Answer)

Which countries are involved in the ELT project?

  1. Chile
  2. United States
  3. European Union
  4. Japan
  5. All of the above
Question 13 Multiple Choice (Single Answer)

What is the name of the organization that is responsible for the ELT project?

  1. European Southern Observatory (ESO)
  2. National Optical Astronomy Observatory (NOAO)
  3. Japan Aerospace Exploration Agency (JAXA)
  4. National Science Foundation (NSF)
  5. None of the above
Question 14 Multiple Choice (Single Answer)

What is the expected impact of the ELT on astronomy?

  1. It will revolutionize our understanding of the universe.
  2. It will allow us to see objects that are billions of light-years away.
  3. It will help us to find new planets and moons.
  4. It will provide new insights into the nature of black holes.
  5. All of the above
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