:::this is the way the world ends:::

400

 jupiter-1

Years, that is.  It’s the anniversary of Galileo discovering Io, Europa, Ganymede, and Callisto orbiting Jupiter.

175523main_jupiter-flyby-03hires

Read more about it here and here.

1 Comment

  1. J.E.

    In a related matter, this is one of the best ideas I’ve heard of in a while: A non-profit telescope manufacturer.

    https://www.galileoscope.org/gs/content/frequently-asked-questions

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