The Moon's average distance from Earth is about ______________ km
Fill in the blank(s) with correct word
387,000
Physics & Space Science
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A megaparsec (Mpc) is equal to _____
A) 3.3 thousand ly B) 3.3 million ly C) 3.3 billion ly D) 3.3 trillion ly
Physics & Space Science
By how much is the FOV (field of view) enlarged from Figure 1 to Figure 3?
a. 100 b. 1 × 10^5 c. 1,000 d. 10,000
Physics & Space Science
Blue light has a longer wavelength than red light
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
Three identical springs each have the same spring constant k. If these three springs are attached end to end forming a spring three times the length of one of the original springs, what will be the spring constant of the combination?
a. k b. 3k c. k/3 d. 1.73k
Physics & Space Science