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Title: In order to turn a star's proper motion into its space velocity, we must also know: Post by: Tsync on Feb 10, 2016 In order to turn a star's proper motion into its space velocity, we must also know:
A) its mass and spectral type. B) its spectral type and period of rotation. C) its distance and mass. D) its distance and radial velocity. E) its temperature and age. Title: Re: In order to turn a star's proper motion into its space velocity, we must also know: Post by: Ratatouille on Feb 11, 2016 Content hidden
Title: Re: In order to turn a star's proper motion into its space velocity, we must also know: Post by: Tsync on Mar 2, 2016 Exactly what I needed :D
Title: Re: In order to turn a star's proper motion into its space velocity, we must also know: Post by: Ratatouille on Mar 3, 2016 Cool :D
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