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Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Although an eclipse can only occur when the Moon is either new (solar) or full (lunar), it must also be positioned very near the intersection of Earth's orbital plane about the Sun and the Moon's orbital plane about the Earth (that is, at one of its nodes). (That is, if the right side is dark, the Moon is becoming darker; if the right side is lit, the Moon is getting brighter.). Waning Crescent Moon appears higher on mid-summer (August 7 in the Northern Hemisphere or February 4 in the Southern Hemisphere) than on mid-winter (February 4 in the Northern Hemisphere or August 7 in the Southern Hemisphere). ...though I'm a little disappointed that "gibbous" has such a clunky equivalent (, MAINTENANCE WARNING: Possible downtime early morning Dec 2/4/9 UTC (8:30PM…, “Question closed” notifications experiment results and graduation. [a] Each of these phases appears at slightly different times at different locations on Earth. Choosing THHN colors when running 2 circuits together. Making statements based on opinion; back them up with references or personal experience. "Waxing gibbous" redirects here. As the Moon waxes (the amount of illuminated surface as seen from Earth is increasing), the lunar phases progress through new moon, crescent moon, first-quarter moon, gibbous moon, and full moon. [b] The descriptor waxing is used for an intermediate phase when the Moon's apparent shape is thickening, from new to a full moon, and waning when the shape is thinning. I see two approaches to an answer: 1. there is a complete list from a XVII century author, and 2. a compilation of classical and post-classical names by L&S. Novilunium and plenilunium are postclassical, and according to L&S, classical names were luna nova and luna plena. Latin phrases don't get much more iconic than "alea iacta est," or "the die is cast," an expression reportedly uttered by Julius Caesar as he crossed Italy's Rubicon river with his army. Why were there only 531 electoral votes in the US Presidential Election 2016? Why do Latin nouns (like cena, -ae) include two forms? When an illuminated hemisphere is viewed from a certain angle, the portion of the illuminated area that is visible will have a two-dimensional shape as defined by the intersection of an ellipse and circle (in which the ellipse's major axis coincides with the circle's diameter). May 20 is blank because a picture would be taken before midnight on May 19 and the next after midnight on May 21. Moon phases are determined by where the sun is hitting the moon and what angle we’re viewing the moon from, a.k.a. It finally clicked. Did Star Trek ever tackle slavery as a theme in one of its episodes? I should think that all of these have names in Latin. Moon Phases for 2020 or any year with full moon and new moon times. Would you like to know how to translate moon phases to Latin? It can be confusing that the moon’s orbital period is 27.3 days while the phases complete a cycle once every 29.5 days. [2] Half moon is often used to mean the first- and third-quarter moons, while the term quarter refers to the extent of the Moon's cycle around the Earth, not its shape. rev 2020.11.24.38066, The best answers are voted up and rise to the top, Latin Language Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us, This is exactly was I was looking for! Shouldn't some stars behave as black hole? Assuming that the viewer is in the Northern Hemisphere, the right side of the Moon is the part that is always waxing. How would the Romans have borrowed the word “Dune”? How do I legally resign in Germany when no one is at the office? To learn more, see our tips on writing great answers. Often, the dark side of the Moon is dimly illuminated by indirect sunlight reflected from Earth, but is bright enough to be easily visible from Earth. What is this part of an aircraft (looks like a long thick pole sticking out of the back)? The amplitude of this oscillation is never more than about four hours, which is a small fraction of a month. Is ground connection in home electrical system really necessary? The crescent Moon is most clearly and brightly visible when the Sun is below the horizon, which implies that the Moon must be above the Sun, and the crescent must open upward. Is an offer of a discount an acknowledgement of guilt of negligence and misconduct? The visible side of the moon is variously sunlit, depending on the position of the Moon in its orbit. or Italian Sono pazzi questi Romani. When is the next full moon? Nor is it true that during every full moon, the Earth's shadow falls on the Moon, causing a lunar eclipse. Closer to the Equator, the lunar terminator will appear horizontal during the morning and evening. The Earth subtends an angle of about two degrees when seen from the Moon. There are four principal lunar phases: the new moon, first quarter, full moon, and last quarter (also known as a third or final quarter), when the Moon's ecliptic longitude is at an angle to the Sun (as viewed from Earth) of 0°, 90°, 180°, and 270°, respectively. Asking for help, clarification, or responding to other answers. They appear to occur more slowly when the Moon is high in the sky than when it is below the horizon. Here is a list of phases that we distinguish in English (taken from here): Does Latin distinguish the same phases of the moon? What is the cost of health care in the US? It does not have any obvious effect on the appearance of the Moon. What did the Romans use to close their letters? The longest duration between full moon to new moon (or new moon to full moon) lasts about 15 days and 14.5 hours, while the shortest duration between full moon to new moon (or new moon to full moon) lasts only about 13 days and 22.5 hours. Non-Western cultures may use a different number of lunar phases; for example, traditional Hawaiian culture has a total of 30 phases (one per day).[1]. From my reading I recall only a passage in Pliny, Nat. The difference between two dates can be calculated by subtracting the Julian day number of one from that of the other, or there are simpler formulae giving (for instance) the number of days since December 31, 1899.

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