2 Check your knowledge! quiz 1 / 10 When was predicted existence of gravitational waves? 1916 1930 1944 1964 2 / 10 What was the masses of two black holes, which produced first detected gravitational waves? 12 and 21 solar masses 29 and 36 solar masses 33 and 36 solar masses 8 and 42 solar masses 3 / 10 How many helium nuclei in cascade of secondary particles from cosmic rays? 2% 7% 10% 12% 4 / 10 Up to which energies it is makes sense to detect cosmic rays directly? eV MeV PeV TeV 5 / 10 In which energy range gamma rays can be detected only with ground-based arrays? MeV GeV TeV EeV 6 / 10 Which of those supposed messengers aren't registered yet? Neurtrino Gamma rays Dark matter Gravitational waves 7 / 10 When was born extrasolar multimessenger astronomy? 1974 1987 1993 1999 8 / 10 How many antiparticles in the cascade of the secondary particles from cosmic rays? less than 1% less than 2% less than 0.5% less than 5% 9 / 10 How many protons in cascade of secondary particles from cosmic rays? 55% 64% 76% 85% 10 / 10 Where neutrino can be produced? in the Sun in nuclear reactors when cosmic rays hit the atmosphere all of the above Your score is The average score is 45% LinkedIn Facebook Twitter 0% Restart quiz
