polar sequence

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• North polar sequence — The North polar sequence is a group of 96 stars that was used to define stellar magnitudes and colors. The cluster of stars lies within two degrees of the Northern Celestial pole, which makes them visible to everyone on the northern hemisphere.… …   Wikipedia

• north polar sequence — ▪ astronomy       group of 96 stars near the north celestial pole, used from about 1900 to 1950 as standards of magnitude and colour by which other stars are measured. First proposed by the American astronomer Edward Charles Pickering (Pickering …   Universalium

• Polar topology — In functional analysis and related areas of mathematics a polar topology, topology of mathcal{A} convergence or topology of uniform convergence on the sets of mathcal{A} is a method to define locally convex topologies on the vector spaces of a… …   Wikipedia

• Polar (cataclysmic variable) — A Polar (also AM Herculis Star) is a type of cataclysmic variable binary star system with a very strong magnetic field. In most cataclysmic variables, matter from a main sequence companion star is gravitationally stripped by a white dwarf star in …   Wikipedia

• Polar mutation — A polar mutation affects expression of downstream genes or operons. It can also affect the expression of the gene in which it occurs, if it occurs in a transcribed region. These mutations tend to occur early within the sequence of genes and can… …   Wikipedia

• Mars Polar Lander — Artist depiction of Mars Polar Lander on Mars. Operator NASA / JPL Major contractors Martin Marietta …   Wikipedia

• Intermediate polar — Diagram of an intermediate polar. Matter flows from the companion star into an accretion disk around the white dwarf, but is disrupted by the white dwarf s magnetic field. An Intermediate Polar (also DQ Herculis Star) is a type of cataclysmic… …   Wikipedia

• La Sequence des corps — La Séquence des corps La Séquence des corps est un roman policier américain de Patricia Cornwell publié en 1994. Le titre original de cette œuvre est The Body Farm. Synopsis Il s agit d une enquête narrée et principalement menée par Kay Scarpetta …   Wikipédia en Français

• La Séquence Des Corps — est un roman policier américain de Patricia Cornwell publié en 1994. Le titre original de cette œuvre est The Body Farm. Synopsis Il s agit d une enquête narrée et principalement menée par Kay Scarpetta. Un meurtre sordide, celui de la petite… …   Wikipédia en Français

• La séquence des corps — est un roman policier américain de Patricia Cornwell publié en 1994. Le titre original de cette œuvre est The Body Farm. Synopsis Il s agit d une enquête narrée et principalement menée par Kay Scarpetta. Un meurtre sordide, celui de la petite… …   Wikipédia en Français

• Widerøe Polar — infobox Aircraft name = C.5 Polar type = General purpose monoplane manufacturer = Widerøes Flyveselskap caption = designer = first flight = 1948 introduced = 1948 retired = status = primary user = Widerøes Flyveselskap more users = produced =… …   Wikipedia