A neutron star is moving in outer space at 4,000 km/hr. What happened to the star that set it in motion on it's current course? a
the friction in space slowed it down to 4,000 km/hr
b
an unbalanced force from a supernova set it in motion
c
it was shot further into space due to the velocity of objects around it
d
a balanced force acted on it and propelled it to 4,000 km/hr