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Check your knowledge! quiz

1 / 10

How many heavy nuclei does the cascade of secondary particles from cosmic rays create?

2 / 10

What were the masses of the two black holes that produced the first detected gravitational waves?

3 / 10

Who was awarded by the Nobel Prize for their role in the detection of gravitational wave?

4 / 10

How many electrons does the cascade of secondary particles from cosmic rays create?

5 / 10

How many protons does the cascade of secondary particles from cosmic rays create?

6 / 10

How many antiparticles does the cascade of secondary particles from cosmic rays create?

7 / 10

How many helium nuclei does the cascade of secondary particles from cosmic rays create?

8 / 10

What is the energy range allowing gamma-ray detection only with the ground-based arrays?

9 / 10

What are the neutrino sources?

10 / 10

When was extrasolar multimessenger astronomy born?

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