The short pulses and the discovery of the pulsar in the Crab ...

[notis]

The short pulses and the discovery of the pulsar in the Crab Nebula are strong evidence that pulsars are _____.
 
  A) red dwarfs
  B) neutron stars
  C) giant stars
  D) yellow dwarfs

Question 2

In the context of binary pulsars, in Hercules X-1, _____.
 
  A) matter flows from a star into an accretion disk around a dead star, producing gamma rays
  B) a 6-solar-mass star and a neutron star orbit each other with a period of 28.7 days
  C) several low-energy processes go on simultaneously
  D) X-rays turn off when the neutron star is eclipsed behind the normal star

[tanna.moeller]

Answer to Question 1

B

Answer to Question 2

D

[notis]

TYSM

[nothere]

Gracias!