•Question 8 (1 point) Sunsets appear red
for the same reason
that some stars in space appear red -- they are both seen through dust particles. Why does this make them appear red?
a.The dust is heated
and emits red light.
•b.The
dust scatters blue light more than red light, such that more of the red light passes directly
though the dust.
•c.Dust polarizes light which always makes it redder.
• Question
9 (1 point) The Pleadies is an open star cluster not too far from us. It also represents a
textbook example
of a type of nebula. Which type is it?
a.An emission nebula
b.A dark nebula c.A reflection nebula d.A
stellar nebula e.None of the above
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