BPSC – Combined Competitive Examination · প্রশ্ন 9
In the universe, what are pulsars?
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (B) Rotating neutron stars
ব্যাখ্যা
Pulsars are neutron stars whose beams sweep past Earth like a lighthouse, producing regular pulses.
- (A) ভুল
Wrong: that is a cluster.
- (B) সঠিক
Correct: pulsars are rapidly spinning, highly magnetised neutron stars emitting beams.
- (C) ভুল
Wrong: that is a supernova.
- (D) ভুল
Wrong: pulsars emit such waves, but they are the stars themselves.