al-Battani

Ibn al-Nafis mapped pulmonary circulation.

Al-Batani measured the solar year.

Ibn al-Shatir, pre-Copernican astronomy.

It's not going to cost him anything.

Ibn Zuhar, Avanzoa.

Ibn Sina, Al-Bitruji, Al-Petrajius, Al-Haytham, Ibn Al-Haytham, Al-Hazan, Al-Kindi, they said Al-Kindi, Abul-Qasas, they said was Al-Zahrawi, Al-Khwarizmi, Al-Agrismas, Al-Battani, Al-Batajanus, Al-Razi, they said Rasis, Jabir ibn Hayyan, they used the word Jabir.

And Umar ibn Khayyam, they changed Umar with an Ayn.

They changed it to O.

Al-Jazari invented flow regulators and feedback control.

Raqqa invented a major glass factory with 300 different glass recipes being used, or most amazingly, Al-Battani discovered relativity a millennia before Einstein." Um, and he goes on to describe too-

These are, at first I was like, well, th- see, the people didn't notice 'cause he's making dumb claims, like, that just don't matter, and then it's like relativity, evolution.

Like, what?

In astronomy, they made careful observations.

In the middle of the ninth century, Albategnius, a Syrian prince, improved the value of eccentricity of the sun's orbit, observed the motion of the moon's apses, and thought he detected a smaller progression of the sun's apses.

His tables were much more accurate than Ptolemy's.

Abu Ifa, in the tenth century, seems to have discovered the moon's variation.