What did muslim astronomers discover

The first major MusIim w0rk of astr0n0my was Zij al-Sindhind by al-Khwarizmi in 83O. The w0rk C0NTAlNS tables for the movements of the Sun, the M00n and the five planets known at the time.

Explanation:

gaius cassius longinus and marcus junius brutus, former enemies of julius caesar who'd joined the roman senate, led caesar's assassination, dubbing themselves "the liberators." and the second one is   the assassination of julius caesar was the result of a conspiracy by many roman senators led by gaius cassius longinus, decimus junius brutus albinus, and marcus junius brutus. they stabbed caesar (23 times) to death in a location adjacent to the theatre of pompey on the ides of march 15 march 44 bc.