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The adjectival forms of the names of astronomical bodies are not always easily predictable. Attested adjectival forms of the larger bodies are listed below, along with the two small Martian moons; in some cases they are accompanied by their demonymic equivalents, which denote hypothetical inhabitants of these bodies.
Older catalogues either assigned an arbitrary number to each object, or used a simple systematic naming scheme based on the constellation the star lies in, like the older Ptolemy's Almagest in Greek from 150 and Al-Sufi's Book of Fixed Stars in Arabic from 964. The variety of sky catalogues now in use means that most bright stars currently have ...
Venus is one of two planets in the Solar System, the other being Mercury, that have no moons. [23] Conditions perhaps favourable for life on Venus have been identified at its cloud layers. Venus may have had liquid surface water early in its history with a habitable environment , [ 24 ] [ 25 ] before a runaway greenhouse effect evaporated any ...
The Roman numbering scheme of Uranus' moons was in a state of flux for a considerable time. Sir William Herschel thought he had discovered up to six moons and maybe even a ring. For nearly fifty years, Herschel's instrument was the only one the moons had been seen with. [17]
Exceptions to this rule are valleys and craters on Mars and Venus; naming conventions for these features differ according to size. One feature classification, regio, was originally used on early maps of the Moon and Mercury (drawn from telescopic observations) to describe vague albedo features. It is now used to delineate a broad geographic region.
The origins of the planetary symbols can be found in the attributes given to classical deities. The Roman planisphere of Bianchini (2nd century, currently in the Louvre, inv. Ma 540) [2] shows the seven planets represented by portraits of the seven corresponding gods, each a bust with a halo and an iconic object or dress, as follows: Mercury has a caduceus and a winged cap; Venus has a ...
There is no mention of a star in the original description, but the only 19th-century drawing of the symbol includes one. [45] 35 Leukothea [78] U+1CED0 (dec 118480) a pharos (ancient lighthouse) [78] 37 Fides [79] U+271D (dec 10013) : a Latin cross [79] [91] 99942 Apophis [83] — — a stylised depiction of the Egyptian god Apep, with a ...
The names of the five planets, one star and one moon [planetary satellite] are: [34] Tzedeq צדק, Jupiter Meaning: "righteousness", as Jupiter is the embodiment of divine influx. Shabtai שבתאי, Saturn Meaning: "of Shabbat" [35] Ma'adim מאדים, Mars Meaning: "the red one" Ḥammah חמה, the Sun Meaning: "the hot one"