Social Studies
Social Studies, 21.02.2020 16:23, alexandroperez13

Consider a relatively nearby, single star, that is, a star that is not a member of a binary system and has no known orbiting planets. Listed below are a few properties of this star. Classify each property as either something that we can observe or measure directly (with the aid of a telescope and instruments such as cameras or spectrographs) or something that we must infer indirectly (and hence is correct only if all of our assumptions are correct).a. colorb. parallax angle
c spectral typed. apparent brightness
e. luminosity
f. surface temperature
g. mass
h. radius

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Consider a relatively nearby, single star, that is, a star that is not a member of a binary system a...

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