I've suggested (& published in 21 journal papers) a new theory called quantised inertia (or MiHsC) that assumes that inertia is caused by relativistic horizons damping quantum fields. It predicts galaxy rotation, cosmic acceleration & the emdrive without any dark stuff or adjustment. My Plymouth University webpage is here, I've written a book called Physics from the Edge and I'm on twitter as @memcculloch

Friday, 22 February 2013

Galileo's Invisible Mountains

I have recently been reading (White, 2007) about what happened when Galileo turned his telescope towards the Moon and reported mountains there. This upset people at the time since Aristotle had stated that the Moon was a perfect sphere. Christopher Clavius defended Aristotle saying that the Moon was surrounded by a "crystalline invisible layer" so it was still a perfect sphere.

Galileo's brilliant response was: "If anyone is allowed to imagine whatever he pleases, then someone could say that the Moon is surrounded by a substance that is invisible, provided that I can say that the crystal has on its outer surface some mountains that are 30 times higher than the terrestrial ones, and also invisible."

Surely no-one today would invent an invisible substance to defend a historical figure ;)


White, M., 2007. Galileo Antichrist: a biography. Phoenix Press.

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