Portada del libro de Beta Ophiuchi
Título del libro:

Beta Ophiuchi

Barnard'S Star, Ophiuchus, Gamma Cephei

Vent (2013-08-15 )

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ISBN-13:

978-613-9-10218-1

ISBN-10:
6139102189
EAN:
9786139102181
Idioma del libro:
Inglés
Notas y citas / Texto breve:
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Beta Ophiuchi (β Oph, β Ophiuchi) is a K-type giant star in the constellation Ophiuchus. It has the traditional names Cebalrai , Cheleb, or Kelb Alrai, or sometimes just Alrai. Like some other K-type giants, β Ophiuchi has been found to vary very slightly (0.02 magnitudes) in brightness., A star is a massive, luminous ball of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth. Other stars are visible from Earth during the night, most commonly appearing as a multitude of fixed luminous points, when they are not outshone by the Sun or blocked by atmospheric phenomena. Historically, the most prominent stars on the celestial sphere were grouped together into constellations and asterisms, and the brightest stars gained proper names. Extensive catalogues of stars have been assembled by astronomers, which provide standardized star designations.
Editorial:
Vent
Sitio web:
http://www.betascript-publishing.com
Editado por:
Dagda Tanner Mattheus
Número de páginas:
120
Publicado en:
2013-08-15
Stock:
Disponible
Categoría:
Astronomía
Precio:
39.00 €
Palabras clave:
STAR, Gamma, Beta, Ophiuchus, Ophiuchi, Cephei, Barnard'S

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