distance ladder

  • The Size of Planets, the Age of the Universe, the Ignorance of the Masses


    [This post is a bit long and diffuse… I may hack it up into bite-sized pieces later…] Just because my job has ‘astro’ in the title, doesn’t mean I know enough to comment on whether or not Pluto is a planet. And there’s plenty of other science-in-the-news… The International Astronomical Union (IAU) has decided that…

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