planet

Home/Tag: planet

Astronomica – One of the Earliest Works on Astrology

By |2020-05-09T13:13:17+03:00May 9th, 2020|Categories: Culture|Tags: , , , , , , , , |

Astronomica, also known as the Astronomicon, is a Latin didactic poem about celestial phenomena, written in hexameters, and divided into five books. The Astronomica was written c. AD 30–40 by a Roman poet whose name was likely Marcus Manilius; little is known of Manilius, and [...]

Celestial Spheres – History and Visual Expressions

By |2020-04-13T12:11:02+03:00April 13th, 2020|Categories: Culture, Knowledge|Tags: , , , , , , , , , |

The celestial spheres, or celestial orbs, were the fundamental entities of the cosmological models developed by Plato, Eudoxus, Aristotle, Ptolemy, Copernicus, and others. In these celestial models, the apparent motions of the fixed stars and planets are accounted for by treating them as embedded in [...]

The Myth of Er

By |2020-04-02T21:14:21+03:00April 2nd, 2020|Categories: Culture|Tags: , , , , , , , |

The Myth of Er is a legend that concludes Plato's Republic. The story includes an account of the cosmos and the afterlife that greatly influenced religious, philosophical, and scientific thought for many centuries. The story begins as a man named Er the son of Armenios [...]

The Global Brain Hypothesis

By |2019-10-01T02:53:14+03:00October 1st, 2019|Categories: Knowledge|Tags: , , , , , , |

The global brain is a neuroscience-inspired and futurological vision of the planetary information and communications technology network that interconnects all humans and their technological artifacts. As this network stores ever more information, takes over ever more functions of coordination and communication from traditional organizations and [...]

Uranus: Primal Greek God Personifying the Sky

By |2019-09-03T03:25:45+03:00September 3rd, 2019|Categories: Culture|Tags: , , , , , |

Uranus was the primal Greek god personifying the sky and one of the Greek primordial deities. Uranus is associated with the Roman god Caelus. In Ancient Greek literature, Uranus or Father Sky was the son and husband of Gaia, Mother Earth. According to Hesiod's Theogony, [...]

The Almagest: A Mathematical and Astronomical Treatise

By |2019-08-24T03:43:51+03:00August 24th, 2019|Categories: Culture|Tags: , , , , , , , , , |

The Almagest is a 2nd-century Greek-language mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy. The Almagest is of the most influential scientific texts of all time, it canonized a geocentric model of the Universe that [...]

An Introduction to Islamic Astronomy

By |2019-08-16T17:27:06+03:00August 16th, 2019|Categories: Culture, Knowledge|Tags: , , , , , , , |

Islamic astronomy comprises the astronomical developments made in the Islamic world, particularly during the Islamic Golden Age (9th–13th centuries), and mostly written in the Arabic language. These developments mostly took place in the Middle East, Central Asia, Al-Andalus, and North Africa, and later in the [...]

An Introduction to Hellenistic Astrology

By |2019-06-14T14:17:32+03:00June 14th, 2019|Categories: Culture|Tags: , , , , , , |

Hellenistic astrology is a tradition of horoscopic astrology that was developed and practiced in the late Hellenistic period in and around the Mediterranean region, especially in Egypt. The texts and technical terminology of this tradition of astrology were largely written in Greek (or sometimes Latin). [...]

Aether: The Fifth Element

By |2019-04-26T17:27:04+03:00April 26th, 2019|Categories: Culture, Knowledge|Tags: , , , , , , , |

According to ancient and medieval science, aether, also spelled ether and also called quintessence, is the material that fills the region of the universe above the terrestrial sphere. The concept of aether was used in several theories to explain several natural phenomena, such as the [...]

A Brief History of Greek Astronomy

By |2019-04-25T04:09:08+03:00April 25th, 2019|Categories: Culture, Knowledge|Tags: , , , , , , , |

Greek astronomy is astronomy written in the Greek language in classical antiquity. Greek astronomy is understood to include the ancient Greek, Hellenistic, Greco-Roman, and Late Antiquity eras. It is not limited geographically to Greece or to ethnic Greeks, as the Greek language had become the [...]