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Contents. Mercury (planet) Surface temp. Mercury is the first planet from the Sun and the smallest in the Solar System. In English, it is named after the ancient Roman god Mercurius (Mercury), god of commerce and communication, and the messenger of the gods. Mercury is classified as a terrestrial planet, with roughly the same surface gravity as ...
A heavy, silvery d-block element, mercury is the only metallic element that is known to be liquid at standard temperature and pressure; [ a ] the only other element that is liquid under these conditions is the halogen bromine, though metals such as caesium, gallium, and rubidium melt just above room temperature. [ b ]
The name "Mercury" is possibly related to the Latin words merx ("merchandise"; cf. merchant, commerce, etc.), mercari (to trade), and merces (wages); another possible connection is the Proto-Indo-European root merĝ- for "boundary, border" (cf. Old English " mearc", Old Norse " mark" and Latin "margō") and Greek οὖρος (by analogy of ...
The caduceus (☤; / kəˈdjuːʃəs, - siəs /; Latin: cādūceus, from Greek: κηρύκειον kērū́keion "herald's wand, or staff") [b] is the staff carried by Hermes in Greek mythology and consequently by Hermes Trismegistus in Greco-Egyptian mythology. The same staff was borne by other heralds like Iris, the messenger of Hera.
Antecedents of the planetary symbols are attested 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 ...
Visible to humans on Earth there are seven classical planets (the seven luminaries). They are from brightest to dimmest: the Sun, the Moon, Venus, Jupiter, Mars, Mercury and Saturn. Greek astronomers such as Geminus [1] and Ptolemy [2] recorded these classical planets during classical antiquity, introducing the term planet, which means ...
Nabū, Nebo. Nergal. Yarhibol (Palmyrene) v. t. e. Nabu (Akkadian: cuneiform: 𒀭𒀝 Nabû, [1] Jewish Babylonian Aramaic: נְבוֹ, romanized: Nəḇo[2]) is the Babylonian patron god of literacy, the rational arts, scribes, and wisdom. He is associated with the classical planet Mercury in Babylonian astronomy.
The name of Pluto 's moon Charon was suggested by James W. Christy, its discoverer, soon after its discovery. The other four moons are named Hydra, Nix, Kerberos, and Styx. Charon, Hydra, Nix, and Kerberos are all characters in Greek mythology, with ties to Hades (the Greek equivalent of Pluto).