Posted in Astronomy, Historical Perspective

“…realigning the heavens with a single stroke of the brush.“ – Really?

Images that change the course of history?

“Here too it’s masquerade, I find:
As everywhere, the dance of mind.
I grasped a lovely masked procession,
And caught things from a horror show…
I’d gladly settle for a false impression,
If it would last a little longer, though.”
― Johann Wolfgang von Goethe

The Renaissance Mathematicus

Recently on twitter I stumbled across a problematic discussion, as to which single image had most changed the course of science. Although the various participants made stimulating and interesting suggestions, Darwin’s tree diagram, Franklin’s photo of DNA etc. I found this discussion problematic because it suffers from the same difficulties as discussion in the history of science as “the first”, “the greatest”, “the father of” and all similar hyperbolic claims, just how do you measure and compare the numerous candidates that spring to mind?

This discussion didn’t just appear out of cyberspace on somebody’s whim but was provoked by Joe Hanson at It’s OK to be Smart and his post Message from the Moon, which in turn was provoked by the set of washes of the moon by Galileo that had been circulating on Twitter a couple of days before.

Galileo's washes of the moon.

The watercolour sketches that Galileo made of his initial…

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"If he's honest, he'll steal; if he's human, he'll murder; if he's faithful, he'll deceive. Being at a loss to resolve these questions, I am resolved to leave them without any resolution." I have so much to say to you that I am afraid I shall tell you nothing."

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