When you gaze at the night sky, it's obvious that the various stars are different; some shine more brightly than others, and some have noticeable colors. Scientists classify stars according to these two characteristics, but they do it with sensitive instruments that provide much more detail than stargazers—even ones with powerful telescopes—could ever manage to discern. In other words, scientists classify stars according to their luminosity and temperature, as determined by spectral analysi
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Answer: B- Repeating the same idea, but elaborating further on it each time
Answer: I'm not 100% sure but I think it's D.
it might also be C. it's one of those 2 for sure but I'm like %80 sure it's D.
Step-by-step explanation: please let me know if im right or wrong