De revolutionibus orbium coelestium De revolutionibus orbium coelestium De revolutionibus orbium coelestium ("On the Revolutions of the Heavenly Spheres") is the seminal work on the heliocentric theory of the Renaissance astronomer Nicolaus Copernicus (1473–1543). The book, first printed in 1543 in Nuremberg, Holy Roman Empire, offered an alternative model of the universe to Ptolemy's geocentric system, which had been widely accepted since ancient times. Copernicus initially outlined his system in a short, untitled, anonymous manuscript that he distributed to several friends, referred to as the "Commentariolus". A physician's library list dating to 1514 includes a manuscript whose description matches the "Commentariolus", so Copernicus must
Admiralty in the 16th century with salvage claims for wrecks, acting as a judge in relation to maritime issues. The Vice Admiralty Court was a prerogative court established in the early 16th. A vice-admiralty court is in effect an admiralty court. The word “vice” in the name of the court denoted that the court represented the Lord Admiral of the United Kingdom. In English legal theory, the Lord Admiral, as vice-regal of the monarch, was the only person who had authority over matters relating to the sea. the holder of the post Vice-Admiral of the Coast was responsible for the defence of one of the