A television advertisement claiming that a product is light- years ahead of its time does not make sense because .
A) light- years can only be used to talk about light
B) it uses "light- years" to talk about time, but a light- year is a unit of distance
C) a light- year is an astronomically large unit, so a product could not possibly be so advanced
D) it doesn't specify the number of light- years
Correct Answer:
Verified
Q1: One light- hour is the distance light
Q3: On the scale of the cosmic calendar,
Q4: What is the diameter of the galaxy,
Q5: An astronomical unit (AU)is .
A)the current distance
Q6: Which of the following is not a
Q7: The farthest bright galaxies that modern telescopes
Q8: Rank the following 4 items by how
Q9: Astronomers infer that the universe is expanding
Q10: The term observable universe refers to .
A)the
Q11: The number of stars in the Milky
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