On the heavens
by Aristotle · first published 1939
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by Aristotle · first published 1939
100% neutral
Affiliate links. As an Amazon Associate I earn from qualifying purchases.
…Lira," reporting parallax in α-Lyrae. So parallax, the chief evidence for the Earth's motion came 250+ years after Galileo. Stellar parallax was considered since at least Aristotle, as he mentions in his On the Heavens (II.14), and since it is not observed then it is reasonable to conclude that there is no motion (it took several thousand years to develop instruments to actually measure it). Galileo's chief problems…
on “Salt and salary: Were Roman soldiers paid in salt? (2017)” ↗…https://en.wikipedia.org/wiki/Giovanni_Battista_Guglielmini We finally got parallax in 1806 by Giuseppi Calandrelli in α-Lyrae. Stellar parallax was considered since at least Aristotle, as he mentions in his On the Heavens (II.14), and since it is not observed then it is reasonable to conclude that there is no motion (it took several thousand years to develop instruments to actually measure it). Daniel Whitten's "Matters…
on “Weighing Up Galileo's Evidence” ↗https://en.wikipedia.org/wiki/Buridan%27s_ass > ...a man, being just as hungry as thirsty, and placed in between food and drink, must necessarily remain where he is and starve to death. > — Aristotle, On the Heavens 295b, c. 350 BC -------- The paradox of choice is: the more choices we have, the LESS IMPORTANT that choice becomes. Instead of sitting still and starving, it is more important to "make a choice" rather…
on “You Don't Need Millions of Dollars” ↗…the fixed stars. Yet no such thing is observed. The same stars always rise and set in the same parts of the earth. * http://classics.mit.edu/Aristotle/heavens.2.ii.html * https://en.wikipedia.org/wiki/On_the_Heavens Bradley noticed stellar aberration in ~1728: * https://en.wikipedia.org/wiki/James_Bradley Giuseppi Calandrelli finally directly measures parallax in α-Lyrae in 1806.
on “Researchers home in on possible “day zero” for Antikythera mechanism” ↗…the fixed stars. Yet no such thing is observed. The same stars always rise and set in the same parts of the earth. * http://classics.mit.edu/Aristotle/heavens.2.ii.html * https://en.wikipedia.org/wiki/On_the_Heavens
on “How did Europe become the richest part of the world?” ↗…the fixed stars. Yet no such thing is observed. The same stars always rise and set in the same parts of the earth. * http://classics.mit.edu/Aristotle/heavens.2.ii.html * https://en.wikipedia.org/wiki/On_the_Heavens
on “The best proof that the Earth spins” ↗…the fixed stars. Yet no such thing is observed. The same stars always rise and set in the same parts of the earth. * http://classics.mit.edu/Aristotle/heavens.2.ii.html * https://en.wikipedia.org/wiki/On_the_Heavens See also: > In the mathēmatikoi tradition of Pythagoreanism the Earth was removed from the center of the universe. The mathēmatikoi believed that the Earth, along with other celestial bodies, orbited…
on “How Copernicus took down Ptolemy's Almagest” ↗