Classic Classic Quiz Cosmology by Niranjana Niranjana 66 played - 7 yrs ago Cosmology quiz for young cosmologists and a test to their knowledge on black holes. QUIZ 10 QUESTIONS medium 1 What is the name of the black hole at the centre of the Milky Way Galaxy? Cygnus X 1Sagittarius A 2 Do black holes emit radiation? YesNo 3 What is the boundary of a black hole from which light cannot escape? Event horizonEntropy 4 What is the point in a black hole that is infinitely small and infinitely dense? HeliopauseSingularity 5 What is the event horizon thought to be? The boundary of quasarsThe entropy of black hole 6 What is the radiation from black holes called? Hawking radiationParsecs 7 Which was the first black hole to be discovered from observation and not from calculations? Cygnus X 1Andromeda 8 What is the end of a black hole called? Black hole evaporationBlack hole blast 9 Black holes are of 2 types. What are they? Stellar and expandedSupermassive and stellar 10 Are there probably black holes with less than the mass of the sun? Yes-scientists think that there might be such black holes due to irregularities during the early universeNo-such black holes could not exist A mistake in this Quiz ? Contact the author Commentaires
