Star streams that are seen around the Milky Way Galaxy are probably the result of:
A) stars ejected from the Galaxy by gravitational encounters with the central black hole.
B) tidal interactions with satellite galaxies.
C) a collision with a large galaxy in the distant past.
D) stars being pulled from the Andromeda Galaxy.
E) spiral density waves.
Question 2
If a white dwarf gains sufficient mass, it can become a:
A) brown dwarf.
B) type II supernova.
C) type I supernova.
D) planetary nebula.
E) black dwarf.
Artist's conception of the birth of a star within a dense molecular cloud.
The Sun is the nearest star to Earth.
Yellow Star Grass
Mass Loss from a Supermassive Star
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
Smooth Brittle Star.