Jupiter

Mount Vesuvius on the feast of Vulcan. August 23, 79 AD.

The eruption of Mount Vesuvius in AD 79 destroyed the Roman cities of Pompeii, Herculaneum, Oplontis and Stabiae, as well as several other settlements. The eruption ejected a cloud of stones, ashes and volcanic gases to a height of 33 km (21 mi), erupting molten rock and pulverized pumice and ultimately releasing 100,000 times the thermal energy released by the Hiroshima-Nagasaki bombings. More than 1,000 people died in the eruption, but exact numbers are unknown. The only surviving eyewitness account of the event consists of two letters by Pliny the Younger to the historian Tacitus. On August 23, Mount Vesuvius begins stirring, on the feast day of Vulcan, the Roman god of fire. The Vulcanalia was the annual festival held August 23 in his honor. His Greek counterpart is Hephaestus, the god...

Hayk and Bel. August 11, 2492 BC.

August 11, 2492 BC is the traditional date set for the defeat of Bel by Hayk, progenitor founder of the Armenian nation. Bel, signifying “lord” or “master“, is a title rather than a genuine name, applied to various gods in the Mesopotamian religion of Akkad, Assyria and Babylonia. Bel is represented in Greek as Belos and in Latin as Belus. Bel became especially used for the Babylonian god Marduk and when found in Assyrian and neo-Babylonian personal names or mentioned in inscriptions in a Mesopotamian context it can usually be taken as referring to Marduk and no other god. Though often identified with Greek Zeus and Latin Jupiter as Zeus Belos or Jupiter Belus, in other cases Belus is euhemerized as an ancient king who founded Babylon and built the ziggurat. He is r...

Life on Mars. August 6, 1996.

In August 6, 1996 a team of researchers announced that the meteorite ALH84001, discovered in the Allan Hills of Antarctica, may contain evidence of life on Mars, but further tests were inconclusive. To date, no proof has been found of past or present life on Mars. Cumulative evidence shows that during the ancient Noachian time period, the surface environment of Mars had liquid water and may have been habitable for microorganisms. The existence of habitable conditions does not necessarily indicate the presence of life. Scientific searches for evidence of life began in the 19th century, and continue today via telescopic investigations and deployed probes. While early work focused on phenomenology and bordered on fantasy, the modern scientific inquiry has emphasized the search for water, chem...

The Second Temple for Venus Erycina. April 23, 181 BC.

The Capitoline Hill was earlier known as Mons Saturnius, dedicated to the god Saturn. The word Capitolium first referred to the temple of Jupiter Optimus Maximus later built here, and afterwards it was used for the whole hill (and even other temples of Jupiter on other hills), thus Mons Capitolinus (the adjective noun of Capitolium). In an etiological myth, ancient sources connect the name to caput (“head”, “summit”) and the tale was that, when laying the foundations for the temple, the head of a man was found, some sources even saying it was the head of some Tolus or Olus. The Capitolium was regarded by the Romans as indestructible, and was adopted as a symbol of eternity. At this hill, the Sabines, creeping to the Citadel, were let in by the Roman maiden Tarpeia. ...

Halley´s approach. April 10, 1910.

Comet Halley, officially designated 1P/Halley, is a short-period comet visible from Earth every 75–76 years. Halley is the only known short-period comet that is regularly visible to the naked eye from Earth, and the only naked-eye comet that might appear twice in a human lifetime. Halley last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061 to 2062. Halley’s returns to the inner Solar System have been observed and recorded by astronomers since at least 240 BC. Clear records of the comet’s appearances were made by Chinese, Babylonian, and medieval European chroniclers, but, at those times, were not recognized as reappearances of the same object. The comet’s periodicity was first determined in 1705 by English astronomer Edmond Halley,...

The Galilean Moons. January 7, 1610.

As a result of the improvements Galileo Galilei had made to his telescope, now with a magnifying capability of 20x, he was able to observe celestial bodies more distinctly than it had been ever possible. On January 7, 1610, Galileo wrote a letter in which he mentioned Jupiter´s moons (actually known as the Galilean Moons) for the first time. At the time, he saw only three of the four and believed them to be fixed stars near Jupiter. In later observations he discovered the fourth moon and observed that they were not fixed stars, but rather bodies orbiting Jupiter. In 1605, Galileo had been employed as a mathematics tutor for Cosimo de’ Medici, and seeking patronage from his now-wealthy former student and his powerful family, used the discovery of Jupiter’s moons to gain it. On F...

Festival of Pax – January 3

Pax was the Roman goddess of peace, carried over from the Greek goddess Eirene. She was the daughter of Jupiter (Zeus) and Justitia (Themis), the goddess of justice and order. Although sources have conflicting dates, one of the dates listed is January 3 as being when the Festival of Pax was celebrated. Celebrated as Pax Romana and Pax Augusta, she was celebrated since the 2nd century BC. In hopes of blessing of peace, images were placed at the feet of Pax during the festival to promote positive energy in their interactions. Augustus had a sanctuary dedicated to Pax erected on the Campus Martius, called the Ara Pacis. It was dedicated on January 30, 9 BC – January 30 being one of the other possible dates listed for the annual festival. Along with the altar in Rome, Seutonius writes there wa...

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