Which statement about pulsars is true?
A) Pulsars can form only in close binary systems.
B) All pulsars are neutron stars, but not all neutron stars are pulsars.
C) Pulsars can "pulse" no more than about once a day.
D) All neutron stars are pulsars.
B) All pulsars are neutron stars, but not all neutron stars are pulsars.
You might also like to view...
Redshift surveys are designed to find which galaxies are oldest and youngest
Indicate whether the statement is true or false
A nanometer is
a. one thousandth of a meter b. one millionth of a meter c. one billionth of a meter d. one trillionth of a meter e. none of the above
The interior of Jupiter is mostly liquid helium
a. True b. False Indicate whether the statement is true or false
The study of the oscillations of the surface and interior of the sun is known as ____________________
Fill in the blank(s) with correct word