precession period
111Quaternary glaciation — The Ice Age redirects here. For other uses, see Ice age (disambiguation). Last ice age redirects here. This term is also used for the last glacial period of the Quaternary glaciation. Northern Hemisphere glaciation during the Last Glacial Maximum …
112Lunisolar — Lu ni*so lar, a. [L. luna moon + E. solar: cf. F. lunisolaire.] Resulting from the united action, or pertaining to the mutual relations, of the sun and moon. [1913 Webster] {Lunisolar precession} (Astron.), that portion of the annual precession… …
113Lunisolar year — Lunisolar Lu ni*so lar, a. [L. luna moon + E. solar: cf. F. lunisolaire.] Resulting from the united action, or pertaining to the mutual relations, of the sun and moon. [1913 Webster] {Lunisolar precession} (Astron.), that portion of the annual… …
114Day — For other uses, see Day (disambiguation). Water, Rabbit, and Deer: three of the 20 day symbols in the Aztec calendar, from the Aztec calendar stone. A day is a unit of time, commonly defined as an interval equal to 24 hours …
115Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… …
116Islamic calendar — Arabic calendar redirects here. For the Gregorian calendar in Arabic, see Arabic names of calendar months. This …
117Mithraic Mysteries — Top: Mithras killing the bull, being looked over by the Sun god and the Moon goddess. Bottom: Mithras banqueting with the Sun god.] The Mithraic Mysteries or Mysteries of Mithras (also Mithraism) was a Roman mystery religion which became popular… …
118Solstice — For other uses, see Solstice (disambiguation). UTC date and time of solstices and equinoxes[1] year Equinox Mar Solstice June Equinox Sept Solstice Dec day time day time day time day time 2004 20 …
119Spica — Starbox begin name = Alpha Virginis A/BStarbox observe epoch = J2000 constell = Virgo ra = 13h 25m 11.6s dec = −11° 09 41 appmag v = +1.04Starbox character class = B1III IV/B2V b v = −0.13 Fact|date=July 2008 u b = −0.93 variable = β Cep,… …
120Vulcan (hypothetical planet) — Vulcan was a small planet proposed to exist in an orbit between Mercury and the Sun in a 19th century hypothesis. This hypothesis has now been rendered obsolete by Albert Einstein s theory of general relativity.Argument for Vulcan s existenceIn… …
