Saturday, January 23, 2016

History-making astronomical plates...

History-making astronomical plates...  The photographic plate at right was made in 1943 by astronomer Walter Baade, showing the best view of the Andromeda Galaxy anyone had ever seen – and the first one that made it obvious that the “fuzzy spot” was actually an enormous collection of stars.  It's one of the plates chosen for this piece on the history of photographic astronomy...

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