Author Question: Which of these events is NOT possible? A) low-mass stars swelling up to produce planetary nebulae ... (Read 61 times)

littleanan · **on:** Jul 27, 2018

Which of these events is NOT possible?

A) low-mass stars swelling up to produce planetary nebulae
B) red giants exploding as Type II supernovae
C) close binary stars producing recurrent novae explosions
D) white dwarfs and companion stars producing recurrent Type I supernova events
E) a white dwarf being found in the center of a planetary nebula

Question 2

A merger between two large galaxies of comparable size will most likely produce:

A) two small elliptical galaxies.
B) a large elliptical galaxy.
C) a small elliptical galaxy and a small spiral galaxy.
D) a large spiral galaxy.
E) a small elliptical galaxy and a large spiral galaxy.