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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.
Consequently, Venus transits above Earth only occur when an inferior conjunction takes place during some days of June or December, the time where the orbits of Venus and Earth cross a straight line with the Sun. [185] This results in Venus transiting above Earth in a sequence of currently 8 years, 105.5 years, 8 years and 121.5 years, forming ...
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 ...
In the early days, only a very limited number of features could be seen on other Solar System bodies other than the Moon. Craters on the Moon could be observed with even some of the earliest telescopes, and 19th-century telescopes could make out some features on Mars. Jupiter had its famous Great Red Spot, also visible through early telescopes.
This symbolic innovation was adopted very quickly by the astronomical community. The following year (1852), Astraea's number was bumped up to 5, but Ceres through Vesta were not listed by their numbers until the 1867 edition. [16] The Astronomical Journal edited by Gould adopted the symbolism in this form, with Ceres at 1 and Astraea at 5. [74]
Similar to White Moon, but calculated from the "true" Black Moon rather than the mean Black Moon. [34] Solar apogee----Assumes an Earth-centered universe; the heliocentric equivalent would be terrestrial aphelion. Used to derive the (true) White Moon from the (true) Black Moon: ⯟ = ☊ + 7⁄4(⯞ − + 180°) Alchemical 'Three primes'
On August 23, 2023, Venus retrograde and Mercury retrograde will join forces for a wild and crazy finale to summer. As you look at your calendar to lock in your last-minute summer plans, there are ...
An area of tile-like, polygonal terrain. This term is used only on Venus. TE Tholus, tholi / ˈ θ oʊ l ə s /, / ˈ θ oʊ l aɪ / Small domical mountain or hill e.g. Hecates Tholus. TH Undae, undae / ˈ ʌ n d iː / A field of dunes. Used on Venus, Mars and Titan. UN Vallis, valles / ˈ v æ l ɪ s /, / ˈ v æ l iː z / A valley e.g. Valles ...