Questions tagged [astronomers]

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5 votes
1 answer

Did Caroline Herschel know about the discovery of Neptune?

I was reading about the discovery of Neptune when I realised that Caroline Herschel was still alive at the time. Neptune was discovered in September 1846. Caroline died in January 1848, more than a ...
Krishna's user avatar
  • 171
3 votes
1 answer

What did Louis XV actually call Charles Messier?

Charles Messier is know for his catalog of nebulae, but his topic of interest was actually comets. This document states that Louis XV nicknamed him the "ferret of comets" But I assume that ...
usernumber's user avatar
11 votes
4 answers

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 ...
Jan's user avatar
  • 121
1 vote
0 answers

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!
John Shanahan's user avatar
39 votes
2 answers

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 ...
timur's user avatar
  • 699
1 vote
2 answers

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 ...
Frank Hubeny's user avatar
3 votes
2 answers

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 ...
Mars's user avatar
  • 367