In Ptolemy’s great 13 volume work, The Syntaxis, (otherwise known as The Almagest), Ptolemy made observations about the planets that are surprising. Compared with modern astronomical tables ...

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 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 ...