New answers tagged astronomy
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Why didn't Aristarchus' theory of Heliocentrism stick?
As others have noted:
There was no detection of parallax
There was no measurable evidence of Earth's motion
The heliocentric model could not offer any useful improvements on stellar observations for ...
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12
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In Lord Rosse's 1845 drawing of M51, was the galaxy depicted in white or black?
Neither of the depicted images is the original. The white on black appears to be a lithographic print; these were produced from around 1860 onward by others discussing Rosse's work. The black on white ...
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When was the airless void above the earth discovered?
As described in more detail in this answer linked in the comments, an empirical bound for the extent of earth's atmosphere goes back further than Newton to Ibn Mucādh in the 11th century, who studied ...
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Accepted
In Lord Rosse's 1845 drawing of M51, was the galaxy depicted in white or black?
His original drawings were, as far as I can tell, on paper, and would have been black-on-white. The drawing of M51 is reproduced from a modern photograph in Hoskin, Michael. “The First Drawing of a ...
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How did Kepler devise his three laws?
Q: "How did Kepler devise his three laws?"
Of Kepler's laws (not so called by Kepler himself), the first two appeared in 1609 (in 'Astronomia Nova Aitiologetos, seu Physica Coelestis', often ...
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