Avtory i prava: NASA,
EKA,
Dzh. Merten (Institut teoreticheskoi astrofiziki,
Astronomicheskaya observatoriya v Bolon'e),
& D. Kou (Nauchnyi institut kosmicheskogo teleskopa)
Perevod: Vol'nova A.A.
Poyasnenie:
Pochemu eto skoplenie galaktik v takom besporyadke?
Raspredelenie materii v skoplenii Abel' 2744
daleko ot ravnomernogo. Vidno, chto zernyshki galaktik i goryachii gaz, izluchayushii
rentgenovskie luchi (krasnyi cvet)
raspolozheny sovsem ne tak, kak
temnaya materiya.
Na temnuyu materiyu prihoditsya bolee 75% massy
skopleniya. Na
kartinke ona pokazana
sinim cvetom. Raspredelenie temnoi materii udalos' vychislit' po stepeni
gravitacionnogo linzirovaniya dalekih galaktik.
Pohozhe, chto takoi besporyadok vyzvan
medlennym stolknoveniem po krainei mere
chetyreh skoplenii galaktik v techenie poslednego milliarda let.
Na kartinke slozheny
opticheskie izobrazheniya s Kosmicheskogo teleskopa imeni Habbla i
Ochen' bol'shogo teleskopa s rentgenovskim izobrazheniem, poluchennym
kosmicheskoi observatoriei Chandra.
Skoplenie Abel' 2744, takzhe nazyvaemoe
skopleniem Pandory, prostiraetsya bolee chem na
2 milliona svetovyh let. Ego mozhno uvidet' v moshnye teleskopy v oblasti sozvezdiya
Skul'ptora.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
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Publikacii s klyuchevymi slovami:
galaxy cluster - dark matter - hot gas - Skoplenie galaktik - temnaya materiya - goryachii mezhgalakticheskii gaz
Publikacii so slovami: galaxy cluster - dark matter - hot gas - Skoplenie galaktik - temnaya materiya - goryachii mezhgalakticheskii gaz | |
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