Douglas MacDougalJul 2314 minNewton, Halley, and the “Prodigious Comet of the Year 1680”A surprising celestial event may have ripple effects on the progress of science. It can be a catalyst for reexamination of old paradigms,...
Douglas MacDougalMay 1615 minModeling Mars, Second Century ADEarly next year in the night sky, Mars will glow like a brilliant ember. As it nears earth for its January opposition, I thought I’d try...