Much of medieval astronomy and geography were built on ... (otherwise known as The Almagest), Ptolemy made observations about the planets that are surprising. Compared with modern astronomical ...

Around the second century C.E., the Greek astronomer Claudius Ptolemy listed 48 "official" constellations in his book Almagest. No original copy of Almagest has survived, so we don't know how he ...

Ptolemy is known for his major treatises on science, ranging from major consequential works in astronomy, like the Almagest, his most famous piece, to works in astrology, like his Tetrabiblos.

Almagest plans to deploy its constellation in phases, commencing in 2026- 2027 with its TWINSTAR Mission, consisting of two FSO-connected satellites providing two- way high-throughput point-to ...

Almagest Space Corporation, a US-based company developing a global low earth orbit (LEO) highly-secure data relay constellation for a wide range of Government and commercial applications, today ...