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by Hineni
Thu Jun 13, 2019 6:40 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: The Colors and Magnitudes of M13 (2019 Jun 13)
Replies: 14
Views: 7669

Re: APOD: The Colors and Magnitudes of M13 (2019 Jun 13)

A question, SVP: Lovely photo, but how many of the “several hundreds of thousands” of stars can be individually analyzed and converted into data points in the H-R diagram? Surely not even one of several hundreds of thousands. Sooo.... how can they be sure they have a representative sample? Couldn’t ...