Eta Carinae is an example of a
A) black hole.
B) supermassive star.
C) red dwarf.
D) nebula.
E) stellar nursery.
Question 2
As the Sun rotates, an individual sunspot can be tracked across its face. From eastern to western limb, this takes about:
A) 12 hours.
B) a week.
C) two weeks.
D) a month.
E) 5.5 years.