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Herculaneum [a] is an ancient Roman town located in the modern-day comune of Ercolano, Campania, Italy.Herculaneum was buried under a massive pyroclastic flow in the eruption of Mount Vesuvius in 79 AD.
The collapse of the edges of these clouds generated the first dilute PDCs, which must have been devastating to Herculaneum, but did not enter Pompeii. Early in the second morning, the grey cloud began to collapse to a greater degree. Two major surges struck and destroyed Pompeii. Herculaneum and all its population no longer existed.
It takes 250 days (0.68 years) in the transit to Mars, and in the case of a free-return style abort without the use of propulsion at Mars, 1.5 years to get back to Earth, at a total delta-v requirement of 3.34 km/s. Zubrin advocates a slightly faster transfer, that takes only 180 days to Mars, but 2 years back to Earth in case of an abort.
Buried in ash after Mount Vesuvius’ eruption in 79AD, the secret of a papyrus scroll kept their secrets hidden for centuries. Now one has been deciphered by AI.
The most important discovery at Herculaneum was that of the “last fugitive” which occurred in 2021: a skeleton of a man of around 40 years of age who was probably trying to escape towards the ...
The epicentre of the earthquake lies within a zone of active extensional faulting, but close to the southern flank of Vesuvius. Analysis of focal mechanisms from the area around Vesuvius indicates that active faulting in the area involves NW–SE and NE–SW trending oblique-slip normal faults and E–W trending normal faults, part of the zone of active extension that extends the full length ...
Michael A. Minovitch A method for determining interplanetary free-fall reconnaissance trajectories Jet Propulsion Laboratory, 23. August 1961 (Archived 20 März 2019) Gaetano A. Crocco One-Year Exploration-Trip Earth-Mars-Venus-Earth 7th Congress of the International Astronautical Federation, Rome, September 1956 (Archived 15 March 2016)
The original calculations assumed that the Earth has the same density throughout - and the gravitational force changes as you approach the center, much like the weight of a spring that bounces up ...