Questions tagged [astronomers]

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2answers
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Origin of the word "de" in the name of Danish astronomer Tycho de Brahe

I am conducting a little research about the origin of the "de" in a version of the name of the Danish astronomer "Tycho Brahe", namely, "Tycho de Brahe". In the Danish ...
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0answers
72 views

Tycho Brahe and the distance to the fixed stars

How far away did Tycho Brahe estimate that the fixed stars were? In multiples of our sun I imagine!
37
votes
1answer
6k views

Why do we call Tycho Brahe by his first name?

Why do we use the fist name in Tychonic system or Tycho's comet of 1577, instead of using the last name of Tycho Brahe? For comparison, we have the Ptolemaic system and the Copernican system. I am ...
1
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2answers
103 views

Who were the other European astronomers who identified new stars around the time of Tycho Brahe?

Wikipedia notes: Early European astronomers such as Tycho Brahe identified new stars in the night sky (later termed novae), suggesting that the heavens were not immutable. Who were the other ...
3
votes
2answers
1k views

How was stellar parallax tested by Tycho Brahe?

Explanations of stellar parallax that I have found involve examining the apparent motion of a nearer star relative to a background of more distant stars, as the Earth moves around the sun or as the ...