15 Feb 1564: b. Galileo Galilei, in #Pisa, astronomer, scientist, courtier #otd #heliocentric

#Aristarchus's #heliocentric model, proposed 18 centuries before #Copernicus, is a powerful reminder of how suppressed ideas resurface in the #history of science.

🌍 https://www.labrujulaverde.com/en/2025/09/aristarchus-of-samos-the-greek-sage-who-discovered-that-the-planets-revolved-around-the-sun/

15 Feb 1564: b. Galileo Galilei, in #Pisa, astronomer, scientist, courtier #otd #heliocentric

`Epicycles are often cited as one of the biggest problems with the Ptolemaic #geocentric model. And that is precisely what Copernicus is taking aim at here. That’s not to say that Copernicus was fundamentally against epicycles. Indeed, his own adherence to uniform circular motion forced him to include #epicycles in his model. But what #Copernicus is criticizing here is the size demanded by the Ptolemaic model for #Venus in particular.`

https://www.universetoday.com/164227/why-did-copernicus-reject-geocentrism/#more-164227

#Ptolemy #Heliocentric #astronomy

Why Did Copernicus Reject Geocentrism?

Popular science history paints a picture of the Greek geocentric model dominating astronomical thought beginning around the 3rd century BCE, and being the favored model for ~1,500 years. Then, suddenly (it suggests), astronomical thought was overhauled at the birth of the Renaissance by brilliant astronomers such as Copernicus, Kepler, and Galileo, all of whom rejected … Continue reading "Why Did Copernicus Reject Geocentrism?"

Universe Today

Poetically, Galileo was sentenced for heliocentric heresy the day after the summer solstice.

Can’t make this shit up.

#heliocentric #science #Galileo #solstice #heresiarchs

In lofty circles I pull weight,
Enjoy the company of great
Philosophers and men of science,
And find a way to end reliance
On faulty models. Yet I cleave
To custom—I won’t take my leave
But hold on tight until I burst:
A compromise that’s still Earth-first.

#poetry #smallpoems #riddlepoems #science #scientists #astronomy #astronomers #history #knowledge #heliocentric #geocentric #observatory #poetrycommunity

15 Feb 1564: b. Galileo Galilei, in #Pisa, astronomer, scientist, courtier #otd #heliocentric
The Carouser and the Great Astronomer - Issue 84: Outbreak - Nautilus

The two men in the coach were both 28 years old, born within a few months of each other in 1571. Frederik was Danish and Johannes…

Our Small Local Sun

PeerTube
5 Scientific Experiments Prove a Stationary Earth https://bittube.video/videos/watch/01e9bc0b-18b2-4b7d-87f2-6c9687a985cb
5 Scientific Experiments Prove a Stationary Earth

PeerTube