One light-year (ly) is about _____
A) 23,000 AU
B) 34,000 AU
C) 56,000 AU
D) 63,000 AU
D
Physics & Space Science
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The average distance from Earth to the Sun is called the__________
A) astronomical unit B) light-year C) radius of curvature D) focal length
Physics & Space Science
A(n) _____ is a model of the Universe with the Sun at the center, such as the Copernican universe
A) geocentric universe B) concentric universe C) heliocentric universe D) eccentric universe
Physics & Space Science
An example of igneous rock is
a. marble. b. shale. c. slate. d. granite.
Physics & Space Science
If n = 5, which one of the following is not an allowed magnetic quantum number?
A) 0 B) 2 C) 3 D) 4 E) 5
Physics & Space Science