The visible star nearest the Sun,__________, has a parallax of only 0.76 arc seconds.
A) Procyon
B) Epsilon Indi
C) Sirius
D) Alpha Centauri
Question 2
In a Hertzsprung-Russell (H-R) diagram, a star is represented by a _____ on the graph that tells you its luminosity and temperature.
A) cross
B) broken line
C) point
D) dotted line