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Celestial navigation uses "sights," or timed angular measurements, taken typically between a celestial body (e.g., the Sun, the Moon, a planet, or a star) and the visible horizon. Celestial navigation can also take advantage of measurements between celestial bodies without reference to the Earth's horizon, such as when the Moon and other ...
They are listed in order of decreasing sidereal hour angle, or from the vernal equinoxwestward across the sky. Starting with Ankaa in the constellation Phoenix, the list includes stars from the constellations Eridanus, Carina, Crux, Centaurus, Libra, Triangulum Australe, Scorpio, Sagittarius, Pavo, and Grus.
It contains Ursa Major and the Hyades star cluster, among others. The Local Bubble also contains the neighboring G-Cloud, which contains the stars Alpha Centauri and Altair. In the galactic context, the Local Bubble is a small part of the Orion Arm, which contains most stars that we can see without a telescope.
Many star names are, in origin, descriptive of the part in the constellation they are found in; thus Phecda, a corruption of Arabic فخذ الدب ( fakhdh ad-dubb, 'thigh of the bear'). Only a handful of the brightest stars have individual proper names not depending on their asterism; so Sirius ('the scorcher'), Antares ('rival of Ares ', i.e ...
The most luminous known star. Quyllur: 2.1878 [5] 5,540 2023 First red supergiant at cosmological distances. Mothra: 2.091 [6] 5,400 2023 A binary consisting of a yellow supergiant and a B-type star. MACS J1149 Lensed Star 1: 1.49 [7] 4,410 2018 The most distant known star prior to the discovery of Earendel. SDSS J1229+1122: 0.000127 17 2013
The following is a list of women who have traveled into space, sorted by date of first flight. This list includes Russian cosmonauts , who were the first women in outer space. Valentina Tereshkova became the first woman to go to space in 1963, very early in crewed space exploration , and it would be almost twenty years before another flew ...
List of nearest stars by spectral type. Below there are lists the nearest stars separated by spectral type. The scope of the list is still restricted to the main sequence spectral types: M, K, F, G, A, B and O. It may be later expanded to other types, such as S, D or C . The Alpha Centauri star system is the closest star system to the Sun.
A yellow hypergiant star, similar to V382 Carinae, that is also visble to the naked eye. CW Leonis: 560 [87] L/T eff: The nearest carbon star. V382 Carinae (x Carinae) 485 ± 56 [88] L/T eff: A yellow hypergiant, one of the rarest types of stars. V838 Monocerotis: 464 [89] L/T eff: During the 2002 Red Nova, the star's radius may have increased ...