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Title: A standard candle is ________. (Multiple Choice) Post by: killian on Apr 30, 2014 A standard candle is ________.
A) a 7-cm-long wax candle B) a light source of known luminosity C) another name for a main-sequence star D) another name for a barred-spiral galaxy Title: Re: A standard candle is ________. Post by: padre on May 3, 2014 Content hidden
Title: Re: A standard candle is ________. Post by: killian on May 3, 2014 Thx man
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