(A) Holes occurring in heavenly bodies
(B) Bright spots on the sun
(C) Collapsing objects of high density
(D) Collapsing objects of low density
Answer: (C) Collapsing objects of high density
Q. Area or boundary of the region associated with Black holes from which no escape is possible is called:
(A) Event Horizon
(B) Curved Horizon
(C) Black Horizon
(D) None of these
Answer: (A) Event Horizon
Q. The first image of a black hole, at the center of Galaxy Messier 87, was published by the Event Horizon Telescope (EHT) on:
(A) April 10, 2015
(B) April 10, 2017
(C) April 10, 2019
(D) None of these
Answer: (C) April 10, 2019