“For those [observations] that I made in Leipzig in my youth and up to my 21st year, I usually call childish and of doubtful value. Those that I took later until my 28th year [i.e., until 1574] I call juvenile and fairly serviceable. The third group, however, which I made at Uraniborg during approximately the last 21 years with the greatest care and with very accurate instruments at a more mature age, until I was fifty years of age, those I call the observations of my manhood, completely valid and absolutely certain, and this is my opinion of them.” YearsMadeCareAgeLastsScienceCertainValuesOpinionGroupsYouthThirdsInstrumentsObservationFiftyMatureAccurateManhoodDoubtfulJuvenileLeipzig Author:Tycho Brahe
“From his observations, he concluded that it [Tycho's supernova] was not some kind of comet or a fiery meteor, whether these be generated beneath the Moon or above the Moon, but that it is a star shining in the firmament itself - one that has never previously been seen before our time, in any age since the beginning of the world.” WorldKindAgeScienceStarsMoonShiningObservationOur TimeFieryCometsFirmamentMeteorsSupernova Author:Tycho Brahe
