Avtory i prava: Dzh.K. Barentin ( Institut planetnyh issledovanii ) i dr., Nacional'naya observatoriya Kitt Pik
, Nacional'naya opticheskaya astronomicheskaya observatoriya
Poyasnenie:
Nasha Galaktika takaya zhe tonkaya, kak i eta? Navernoe. Mlechnyi Put' takzhe kak i galaktika NGC
891 , izobrazhennaya na segodnyashnei kartinke, imeet tolshinu obychnoi spiral'noi galaktiki . V spiral'nyh galaktikah bol'shinstvo yarkih zvezd,
gaz i pogloshayushaya pyl' nahodyatsya v tonkom diske. Eti diski nastol'ko tonkie, chto spiral'naya galaktika , raspolagayushayasya
k nam bokom, pohozha na kompaktnyi disk, esli smotret' na nego sboku . Temnaya polosa, kotoraya tyanetsya poseredine, predstavlyaet soboi sloi
pyli , pogloshayushii svet. Nekotorye zvezdy, dvizhushiesya vokrug centra galaktiki NGC
891 , imeyut traektorii, sovershenno nepohozhie na krugi. Pochemu eti zvezdy dvizhutsya tak stranno? Soglasno odnoi gipoteze
, cherez centr NGC 891 prohodit bol'shaya peremychka, kotoruyu by my uvideli, esli by eta galaktika
byla povernuta k nam plashmya , a ne bokom. Kartinka, kotoruyu Vy vidite, sostavlena iz treh infrakrasnyh izobrazhenii i predstavlena v uslovnyh
cvetah.
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Publikacii s klyuchevymi slovami:
edge-on galaxy - spiral galaxy - spiral'naya galaktika - spiral'naya galaktika s peremychkoi - disk, galakticheskii
Publikacii so slovami: edge-on galaxy - spiral galaxy - spiral'naya galaktika - spiral'naya galaktika s peremychkoi - disk, galakticheskii | |
Sm. takzhe:
Vse publikacii na tu zhe temu >> | |
