Neutron stars must ____. a. rotate very rapidly b. be very ...

[madam-professor]

Neutron stars must ____.
 
  a. rotate very rapidly
 b. be very luminous
 c. have weak magnetic fields
 d. have a mass greater than three solar masses
 e. have about the same surface temperature as the star that created them

Question 2

Kepler's second law of planetary motion states A line from a planet to the Sun sweeps over equal areas in equal intervals of ____..
 
  a. time
 b. space
 c. arcs
 d. ellipses
  e. spheres

[nikmaaacs]

Answer to Question 1

a

Answer to Question 2

a

[madam-professor]

Thanks for the timely response, appreciate it

[skipfourms123]

Gracias!