Talk:Giovanni Battista Riccioli

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Untitled
This artical was good. But I think it should have a lot more info.

Mizar
The article on Mizar (star) implies that Castelli noted that Mizar was an apparent double star before Galileo did. — Preceding unsigned comment added by 86.148.128.76 (talk) 15:42, 9 April 2012 (UTC)

External links modified
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Last sentence of intro
The present text of the intro states that on a rotating earth 'the ground moves at different speeds at different times'. I don't know what the author of this intended to mean, but it appears to be untrue and inconsistent with the main text. This correctly states that the ground would move at different speeds at different *latitudes*, not times. I have not amended it myself, because I am no expert and maybe the author had some other point in mind that has not occurred to me.109.150.7.219 (talk) 14:33, 14 April 2019 (UTC)

Mizar
How are these two passages consistent?

"He is also widely known for discovering the first double star."

"He is often credited with being one of the first to telescopically observe the star Mizar and note that it was a double star; however, Castelli and Galileo observed it much earlier."

The word "known" normally implies it's true, not wrongly believed. If Castelli and Galileo were earlier, then attributing discovery to Riccioli is wrong, not "known". Also, the unqualified phrase "double star" can be used for visual doubles like Mizar and Alcor. Prehistoric stargazers long before Riccioli must have noticed them. Art LaPella (talk) 05:51, 24 June 2024 (UTC)