Three comets (C/1618 Q1, C/1618 V1, and C/1618 W1) were observed in 1618, all visible to the naked eye. C/1618 Q1, first observed in August over Hungary, marks the first known telescopic observation ...
Using modern techniques, researchers have re-examined Johannes Kepler's half-forgotten sunspot drawings and revealed previously hidden information about the solar cycles before the grand solar minimum ...
This relatively thin volume isn't so much a whodunit, as a how-Kepler-might-have-done-it. But the possible murder mystery described in "Heavenly Intrigue" also provides a good excuse for telling the ...
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