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10 total sentences available.
One night in 1572, Danish astronomer Tycho Brahe saw what he thought was a brilliant new star in the constellation Cassiopeia. (We now know he was observing a supernova.) In 1604, a second supernova was observed. These discoveries caused scientists to seriously question Ptolemy's theory that all stars were contained in an outermost sphere of the universe that never changed.
Source: tatoeba (3957936)
All of the instruments Tycho Brahe used to observe the sky were made in his own workshop. He also printed all of his books on his own presses.
Source: tatoeba (3958518)
Tycho Brahe was born in 1546 in Denmark.
Source: tatoeba (3958519)
Brahe had a brother who grew up to serve in the government. He also had a sister that became a scientist.
Source: tatoeba (3958523)
Showing 4 of 10 available sentences.