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Title: How do astronomers measure the luminosity class of a star?(a)From the absorption lines in the star=s ... Post by: staedtler on Mar 21, 2017 How do astronomers measure the luminosity class of a star?
(a) From the absorption lines in the star=s spectrum. (b) From the observed size of the star. (c) From the brightness of the star in the sky. Title: Re: How do astronomers measure the luminosity class of a star?(a)From the absorption lines in the ... Post by: papachulo on Mar 21, 2017 Content hidden
Title: Re: How do astronomers measure the luminosity class of a star?(a)From the absorption lines in the star=s ... Post by: staedtler on May 1, 2017 ;D Exactly what I needed
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