Geography, 10.12.2019 22:31 ashylynn2423

Star a is a main sequence star of spectral type f2 and star b is a white dwarf of spectral type b4.
which statement below is correct?
star b appears brighter than star a.
star a appears brighter than star b.
star b is hotter than star a.
star a is hotter than star b.
none of the above can be said about these two stars.

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