1. The brightness of a star
A. magnitude
B. parallax
C. pulsar
D. supernova
2. The death explosion of a star
A. magnitude
B. parallax
C. pulsar
D. supernova
4. A star’s apparent movement in relationship to other stars
A. magnitude
B. parallax
C. pulsar
D. supernova
3. A neutron star that spins rapidly on its axis
A. magnitude
B. parallax
C. pulsar
D. supernova
