Poyasnenie: Sirius - eto samaya yarkaya zvezda na nochnom nebe. Sirius v 20 raz yarche Solnca i v dva raza massivnee ego. Sirius nahoditsya na rasstoyanii 8.7 svetovyh let ot Zemli i ne yavlyaetsya blizhaishei zvezdoi. Samaya blizkaya eto zvezdnaya sistema al'fa Centavra . Sirius nazyvayut takzhe "Sobakoi", t.k. on nahoditsya v sozvezdii Bol'shoi Pes . V 1862 godu bylo otkryto, chto Sirius yavlyaetsya dvoinoi zvezdoi. Vokrug Siriusa A obrashaetsya sputnik, Sirius B , v 10000 raz menee yarkii. Sirius B byl pervym otkrytym belym karlikom. I tol'ko v 1930 godu Subrahman'yan Chandrasekar pervyi ponyal, kak ustroeny eti ob'ekty. V 1718 godu Edmond Gallei , izuchaya Sirius , otkryl sobstvennye dvizheniya zvezd. Na segodnyashnei kartinke sistema Siriusa pokazana v rentgenovskih luchah.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: Sirius - star - Sirius - belyi karlik - rentgenovskie nablyudeniya Publikacii so slovami: Sirius - star - Sirius - belyi karlik - rentgenovskie nablyudeniya
Sm. takzhe: Chernaya dyra razrushaet zvezdu: animaciya NGC 2440: kokon novogo belogo karlika 25 samyh yarkih zvezd na nochnom nebe 2MASS J17554042+6551277 Vzryvy na belom karlike RS Zmeenosca Animaciya: chernaya dyra razrushaet zvezdu NICER noch'yu Vse publikacii na tu zhe temu >>