10-A Flashcards
1
Q
a neutron star that spins rapidly on its axis
A
pulsar
2
Q
the brightness of a star
A
magnitude
3
Q
the death explosion of a star
A
supernova
4
Q
the measurement of a star’s apparent movement over time
A
parallax
5
Q
an existing star that flares up and becomes brighter than normal
A
nova
6
Q
stars that regularly or repeatedly change in magnitude
A
variable stars
7
Q
Define absolute magnitude
A
how bright a star really is
8
Q
Define apparent magnitude
A
how bright a star looks
9
Q
The closest star to Earth
A
Sun
10
Q
A cloud of interstellar gases and debris
A
nebula
