Laplace on "new stars"
... directly overhead a certain strange star was seen, flashing its light with a radiant gleam.Again it was bright enough for a few days to be visible in daylight. It remained visible for about 16 months.
Laplace wrote about supernovae in Exposition du systeme du monde in 1796:-
... some stars have suddenly appeared, and then disappeared, after having shone for several months with the most brilliant splendour. Such was the star observed by Tycho Brahe in the year 1572, in the constellation. Cassiopeia. In a short time it surpassed the most brilliant stars, and even Jupiter itself. Its light then waned away, and finally disappeared sixteen months after its discovery. Its colour underwent several changes; it was at first of a brilliant white, then of a reddish yellow, and finally of a lead-coloured white, like to Saturn.
JOC/EFR April 2007
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