The Milky Way galaxy is about
A) 4 light years in diameter.
B) 40 light years in diameter.
C) 100 light years in diameter.
D) 100,000 light years in diameter.
Correct Answer:
Verified
Q11: The daily motion of celestial objects in
Q12: The star nearest the Earth is
A)the Sun.
B)Alpha
Q13: We say we are looking back in
Q14: The nearest star system closest to our
Q15: A radio signal emitted from Earth would
Q17: The background stars during a solar eclipse
Q18: A light year is a unit of
A)time.
B)energy.
C)distance.
D)mass.
Q19: How far is a light year?
A)nearly 10
Q20: The diurnal rotation of the stars refers
Q21: Which star will emit the shortest wavelength
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