6 Check your knowledge! quiz 1 / 10 How many heavy nuclei does the cascade of secondary particles from cosmic rays create? 0.5-1% 1-2% 2-3% 3-4% 2 / 10 What were the masses of the two black holes that produced the 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 Who was awarded by the Nobel Prize for their role in the detection of gravitational wave? Stephen Hawking, Leonard Susskind and Roger Penrose Leonard Susskind, Barry Barish and Rainer Weiss Rainer Weiss, Kip Thorne and Barry Barish Stephen Hawking, Rainer Weiss and Kip Thorne 4 / 10 How many electrons does the cascade of secondary particles from cosmic rays create? 2 4 7 9 5 / 10 How many protons does the cascade of secondary particles from cosmic rays create? 55% 64% 76% 85% 6 / 10 How many antiparticles does the cascade of secondary particles from cosmic rays create? less than 1% less than 2% less than 0.5% less than 5% 7 / 10 How many helium nuclei does the cascade of secondary particles from cosmic rays create? 2% 7% 10% 12% 8 / 10 What is the energy range allowing gamma-ray detection only with the ground-based arrays? MeV GeV TeV EeV 9 / 10 What are the neutrino sources? the Sun nuclear reactors cosmic rays all of the above 10 / 10 When was extrasolar multimessenger astronomy born? 1974 1987 1993 1999 Your score is The average score is 42% LinkedIn Facebook Twitter 0% Restart quiz
