‘Supernova’ is
(A) acomet
(B) an asteroid
(C) an exploding Star
(D) a black hole
Correct Answer : an exploding Star
Question Asked : SSC (10+2) Level Data Entry Operator & LCD Exam 2011
Explanation : A supernova is a stellar explosion that is more energetic than a nova. During this short interval a supernova can radiate as much energy as the Sun is expected to emit over its entire life span. The explosion expels much or all of a star’s material at a velocity of up to 30,000 km/s (10% of the speed of light).
....Read more
Useful Quotations for : UPSC, State PSC, IBPS, SSC, Railway, NDA, Police Exams
Like The Facebook Page
CurrentGK for
Current Affairs, Latest GK &
Employment News
Tags : Astronomcial Georaphy Universe and Solar System
