Exam (elaborations)
ASTRO 101 Final (100% Accurate)
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A headline reads, "Brightness of Star X has significantly decreased, now at a magnitude of 1.50." Given what you know of magnitude values of stars, which of these could the magnitude have plausibly been before the decrease in brightness? a. 2.3 b. 5 c. -1.7 d. -3.4 e. 0.2 correct answers e. ...
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