Scientists at Lawrence Berkeley National Lab recently published a study on the distribution of dust in the Milky Way. Which of the following best explains how they can detect the dust?
W) Interstellar dust easily scatters red light, so stars seen through it appear bluer than expected
X) Interstellar dust easily scatters blue light, so stars seen through it appear redder than expected
Y) The dust generates photons
Z) The gravitational effects of the dust are measurable
✔️Answer:X) INTERSTELLAR DUST EASILY SCATTERS BLUE LIGHT, SO STARS SEEN THROUGH IT APPEAR REDDER THAN EXPECTED
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