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The English proper name for Earth's natural satellite is typically written as Moon, with a capital M. [19] [20] The noun moon is derived from Old English mōna, which stems from Proto-Germanic *mēnōn, [21] which in turn comes from Proto-Indo-European *mēnsis 'month' [22] (from earlier *mēnōt, genitive *mēneses) which may be related to the verb 'measure' (of time).
For instance, for a large portion of names ending in -s, the oblique stem and therefore the English adjective changes the -s to a -d, -t, or -r, as in Mars–Martian, Pallas–Palladian and Ceres–Cererian; [note 1] occasionally an -n has been lost historically from the nominative form, and reappears in the oblique and therefore in the English ...
A-type star In the Harvard spectral classification system, a class of main-sequence star having spectra dominated by Balmer absorption lines of hydrogen. Stars of spectral class A are typically blue-white or white in color, measure between 1.4 and 2.1 times the mass of the Sun, and have surface temperatures of 7,600–10,000 kelvin.
Some of the synonyms of Chandra include Soma (distill), Indu (bright drop), Atrisuta (son of Atri), Shashin or Shachin (marked by hare), Taradhipa (lord of stars) and Nishakara (the night maker), Nakshatrapati (lord of the Nakshatra), Oshadhipati (lord of herbs), Uduraj or Udupati (water lord), Kumudanatha (lord of lotuses) and Udupa (boat).
Selene is commonly depicted with a crescent moon, often accompanied by stars; sometimes, instead of a crescent, a lunar disc is used. [122] Often a crescent moon rests on her brow, or the cusps of a crescent moon protrude, horn-like, from her head, or from behind her head or shoulders. [123]
The Oxford English Dictionary defines the new moon as "the first visible crescent of the Moon, after conjunction with the Sun". Dark moon is a term used for a waning crescent moon. When the Moon's orbit is divided into 30 segments , as the ancient Greeks did in the time of Homer, the Babylonians did, and the Indians still do today (calling them ...
In Hindu astronomy, there was an older tradition of 28 Nakshatras which were used as celestial markers in the heavens. When these were mapped into equal divisions of the ecliptic, a division of 27 portions was adopted since that resulted in a clearer definition of each portion (i.e. segment) subtending 13° 20′ (as opposed to 12° 51 + 3 ⁄ 7 ′ in the case of 28 segments).
[1] [2] The dark moon tithi is when the Moon is within 12 degrees of the angular distance between the Sun and Moon before conjunction . [3] The New Moon tithi (called Pratipada or Prathama) is the 12 angular degrees after syzygy. Amāvásyā is often translated as new moon since there is no standard term for the Moon before conjunction in English.