It’s an astronomy question
Which method would you use to obtain the distance to each of the following? A. An asteroid crossing Earth's orbit
B. A star astronomers believe to be no more than 50 light-years from the Sun C. A tight group of stars in the Milky Way Galaxy that includes a significant number of variable stars D. A star that is not variable but for which you can obtain a clearly defined spectrum
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It’s an astronomy question
Which method would you use to obtain the distance to each of the followi...
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