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.
Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
As a result of sharing its environment with humans, this macaque had the opportunity to steal an ast
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The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth
Classifying the Spectra of Stars
Phenotype patterns in the F2 of a dihybrid cross that result from epistatic gene interaction