If interstellar dust makes an RR Lyrae variable star look 5 magnitude fainter than the star should, by how much will you over- or underestimate its distance? (Hint: Use the magnitude distance formula d= 10 (Mv -Mv +5)/5 .) d estimate/ d actual = ________ is your calculated value over or underestimated?
If interstellar dust makes an RR Lyrae variable star look 5 magnitude fainter than the star should, by how much will you over- or underestimate its distance? (Hint: Use the magnitude distance formula d= 10 (Mv -Mv +5)/5 .) d estimate/ d actual = ________ is your calculated value over or underestimated?
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If interstellar dust makes an RR Lyrae variable star look 5 magnitude fainter than the star should, by how much will you over- or underestimate its distance? (Hint: Use the magnitude distance formula d= 10 (Mv -Mv +5)/5 .)
d estimate/ d actual = ________
is your calculated value over or underestimated?
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