Question 1 point
What is the definition of an astronomical unit?
Question options:
A) Any large number.
B) The distance that light travels in one year
C) The average distance between the Earth and the sun
D) The distance between the sun and Alpha Centauri.
E) The average distance between the Earth and the Moon.
Question 2 point
The number 7.14 X 106 is equivalent to which of the following?
Question options:
7,140
714,106
75,684
7,140,000
0.00000714
Question 3 point
Using what you have learned, rank the following objects from smallest to largest
(1=smallest,4=largest): Earth, Milky Way Galaxy, solar system, sun.
__3__ Solar System
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