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Check your knowledge! quiz

1 / 10

When was predicted existence of gravitational waves?

2 / 10

What was the masses of two black holes, which produced first detected gravitational waves?

3 / 10

How many helium nuclei in cascade of secondary particles from cosmic rays?

4 / 10

Up to which energies it is makes sense to detect cosmic rays directly?

5 / 10

In which energy range gamma rays can be detected only with ground-based arrays?

6 / 10

Which of those supposed messengers aren't registered yet?

7 / 10

When was born extrasolar multimessenger astronomy?

8 / 10

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

9 / 10

How many protons in cascade of secondary particles from cosmic rays?

10 / 10

Where neutrino can be produced?

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