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Gravitational Waves from Neutron Star Collisions: GW170817

Tests knowledge about the historic GW170817 gravitational wave detection from neutron star merger, including event details, neutron star properties, gravitational wave characteristics, and multi-messenger observations across optical and gamma-ray wavelengths.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

What is the name of the gravitational wave event that was detected on August 17, 2017?

  1. GW150914
  2. GW170817
  3. GW190521
  4. GW200114
Question 2 Multiple Choice (Single Answer)

What type of objects were involved in the GW170817 event?

  1. Black holes
  2. Neutron stars
  3. White dwarfs
  4. Supernovae
Question 3 Multiple Choice (Single Answer)

Where was the GW170817 event located?

  1. Andromeda Galaxy
  2. Milky Way Galaxy
  3. Large Magellanic Cloud
  4. Small Magellanic Cloud
Question 4 Multiple Choice (Single Answer)

What was the mass of the two neutron stars involved in the GW170817 event?

  1. 1.4 solar masses and 2.6 solar masses
  2. 1.1 solar masses and 1.6 solar masses
  3. 0.9 solar masses and 1.3 solar masses
  4. 0.7 solar masses and 1.0 solar masses
Question 5 Multiple Choice (Single Answer)

How long did the GW170817 event last?

  1. 0.1 seconds
  2. 1 second
  3. 10 seconds
  4. 100 seconds
Question 6 Multiple Choice (Single Answer)

What was the distance between the two neutron stars when they collided?

  1. 100 kilometers
  2. 1,000 kilometers
  3. 10,000 kilometers
  4. 100,000 kilometers
Question 7 Multiple Choice (Single Answer)

What was the speed of the two neutron stars when they collided?

  1. 0.1 times the speed of light
  2. 0.5 times the speed of light
  3. 0.9 times the speed of light
  4. 0.99 times the speed of light
Question 8 Multiple Choice (Single Answer)

What was the energy released in the GW170817 event?

  1. 10^47 joules
  2. 10^50 joules
  3. 10^53 joules
  4. 10^56 joules
Question 9 Multiple Choice (Single Answer)

What was the gravitational wave strain produced by the GW170817 event?

  1. 10^-22
  2. 10^-21
  3. 10^-20
  4. 10^-19
Question 10 Multiple Choice (Single Answer)

What was the frequency of the gravitational waves produced by the GW170817 event?

  1. 10 hertz
  2. 100 hertz
  3. 1,000 hertz
  4. 10,000 hertz
Question 11 Multiple Choice (Single Answer)

What was the wavelength of the gravitational waves produced by the GW170817 event?

  1. 10 kilometers
  2. 100 kilometers
  3. 1,000 kilometers
  4. 10,000 kilometers
Question 12 Multiple Choice (Single Answer)

What was the name of the telescope that observed the optical counterpart to the GW170817 event?

  1. Hubble Space Telescope
  2. Chandra X-ray Observatory
  3. Spitzer Space Telescope
  4. Kepler Space Telescope
Question 13 Multiple Choice (Single Answer)

What was the name of the element that was detected in the optical counterpart to the GW170817 event?

  1. Hydrogen
  2. Helium
  3. Carbon
  4. Oxygen
Question 14 Multiple Choice (Single Answer)

What was the name of the element that was detected in the gamma-ray counterpart to the GW170817 event?

  1. Gold
  2. Platinum
  3. Uranium
  4. Plutonium
Question 15 Multiple Choice (Single Answer)

What was the significance of the GW170817 event?

  1. It was the first direct detection of gravitational waves.
  2. It was the first detection of gravitational waves from a neutron star collision.
  3. It was the first detection of gravitational waves from a kilonova.
  4. It was the first detection of gravitational waves from a gamma-ray burst.
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