In anatomy, the middle temporal artery is a major artery which arises immediately above the zygomatic arch, and, perforating the temporal fascia, gives branches to the temporalis, anastomosing with th
In celestial mechanics, an orbit is the curved trajectory of an object under the influence of an attracting force. Alternatively, it is known as an orbital revolution, because it is a rotation around
The Earth-centered universe according to Ptolemy; illustration by Andreas Cellarius from Harmonia Macrocosmica, 1660