Astronomer Georg Busch on the great comet of 1577:
“…the comet was composed of a sort of obnoxious gas generated by human sin, which floated heavenward until ignited by the wrath of God. As it burned the comet became a prolific celestial polluter, showering its effluence widely over Earth and thereby causing pestilence, Frenchmen, sudden death, bad weather…”
I got this from an interesting blog article by @rmathematicus:
https://thonyc.wordpress.com/2019/02/27/the-emergence-of-modern-astronomy-a-complex-mosaic-part-v/