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Re[2]: Fermi registriruet istochniki na gamma-nebe
7.04.2010 12:05 | Mihail Petrov
Deistvitel'no, imeyutsya v vidu istochniki gamma-izlucheniya, - eto isluchenie s chastotoi vyshe, chem rentgenovskoe. Gamma izluchayutsya v hode vzaimodeistviya subatomnyh chastic, t.e. pri yadernom sinteze, pri perehode yadra atoma iz vozbuzhdennogo sostoyaniya, i t.d. Takim obrazom, astronomicheskimi istochnikami gamma- izlucheniya yavlyayutsya ob'ekty, v kotoryh proishodit yadernyi sintez (ili yadernyi raspad). Odnako, gamma- izluchenie, obrazuyusheesya v serdce zvezdy, bol'shei chast'yu pogloshaetsya ogromnoi obolochkoi zvezdy tolshinoi v sotni tysyach kilometrov. Kandidatami v sil'nye nablyudaemye istochniki gamma-izlucheniya ostayutsya takie mesta, gde yadernyi sintez proishodit pryamo v otkrytom prostranstve. Otsyuda, primerami takih istochnikov mogut yavyat'sya vzryvy sverhnovyh, stolknoveniya zvezd, ili veshestvo, akkreciruyushee na ochen' plotnoe telo, chto proishodit v kvazarah, okolo chernyh dyr, okolo pul'sarov.
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- Fermi registriruet istochniki na gamma-nebe
(Astronomicheskaya kartinka dnya,
18.03.2010, 2.5 KBait, otvetov: 4)
Kakie nebesnye ob'ekty svetyat v gamma-luchah?... - Re: Fermi registriruet istochniki na gamma-nebe
(A.M. Vachin,
22.03.2010 16:58, 221 Bait, otvetov: 3)
Kto skazhet, chto takoe "istochniki Fermi" ("Fermi souces")?... - >> Re[2]: Fermi registriruet istochniki na gamma-nebe
(Mihail Petrov,
7.04.2010 12:05, 890 Bait)
Deistvitel'no, imeyutsya v vidu istochniki... - Re[2]: Fermi registriruet istochniki na gamma-nebe
(Dmitrii Docenko,
7.04.2010 12:17, 193 Bait)
"Istochniki Fermi" = sleng... - Re[2]: Fermi registriruet istochniki na gamma-nebe
(Mihail Petrov,
7.04.2010 12:27, 225 Bait)
Samoe glavnoe zabyl: pochemu "Istochniki Fermi"....