- chromospheres
- n. outer layer of the sun's atmosphere (Astronomy)
English contemporary dictionary. 2014.
English contemporary dictionary. 2014.
Corona — This article is about the astronomical term. For other uses, see Corona (disambiguation). During a total solar eclipse, the solar corona can be seen with the naked eye. A corona is a type of plasma atmosphere of the Sun or other celestial body,… … Wikipedia
Grigor Gurzadyan — is an Armenian astronomer, and pioneer of space astronomy. Life Born in October 15, 1922 in Baghdad, to parents fled in 1915 from Western Armenia. Upon graduating the Yerevan Polytechnic Institute in 1944, he became the postgraduate of Victor… … Wikipedia
Olin Chaddock Wilson — (January 13, 1909 – July 13, 1994) was an American astronomer best known for his work as a stellar spectroscopist. Born in San Francisco, CA as the son of a lawyer, Wilson showed an interest in physics at an early age. He studied astronomy and… … Wikipedia
RS Canum Venaticorum variable — RS Canum Venaticorum variables are a type of variable star. They are close binary stars having active chromospheres which result in variations in their observed luminosity. The period of variations is, in general, close to the rotational period… … Wikipedia
Vainu Bappu — A photograph of M.K.V. Bappu. Manali Kallat Vainu Bappu (August 10, 1927 – August 19, 1982) was an Indian astronomer and president of the International Astronomical Union. Bappu helped establish several astronomical institutions in India… … Wikipedia
Chiens De Chasse — Désignation Nom latin Canes Venatici Génitif Canum Venatico … Wikipédia en Français
Chiens de chasse — Vue de la constellation Désignation Nom latin Canes Venatici Génitif Canum Venaticorum Abréviatio … Wikipédia en Français
Chiens de chasse (constellation) — Chiens de chasse Chiens de chasse Désignation Nom latin Canes Venatici Génitif Canum Venatico … Wikipédia en Français
Olin Wilson — Olin Chaddock Wilson (13 janvier 1909 à San Francisco – 13 juillet 1994) était un astronome américain surtout connu pour son travail comme spectroscopiste stellaire. Biographie Né à San Francisco et fils d un avocat, Wilson montra très jeune un… … Wikipédia en Français
RS CVn — RS Canum Venaticorum RS Canum venaticorum Données d observation (Époque J2000.0) Ascension droite 13h 10m 36.908321s[1] Déclinaison +35° 56′ 05.591″ … Wikipédia en Français