Explanation: Many spiral galaxies have bars across their centers. Even our own Milky Way Galaxy is thought to have a bar, but perhaps not so prominent as the one in NGC 1365, shown above. The persistence and motion of the bar imply relatively massive spiral arms. The placements of bright young blue stars and dark dust lanes also indicate a strong rotating density wave of star formation. NGC 1365 is a member of the Fornax Cluster of Galaxies. Because NGC 1365 is relatively nearby, simultaneous measurements of its speed and distance are possible, which help astronomers estimate how fast our universe is expanding.

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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: barred spiral galaxy - universe - nearby - spiral galaxy - spiral'naya galaktika s peremychkoi - Spiral'nye vetvi galaktik - zvezdoobrazovanie Publikacii so slovami: barred spiral galaxy - universe - nearby - spiral galaxy - spiral'naya galaktika s peremychkoi - Spiral'nye vetvi galaktik - zvezdoobrazovanie
Sm. takzhe: NGC 300: galaktika iz zvezd Kosmicheskii latte: srednii cvet Vselennoi IC 348 i Barnard 3 Spiral'naya galaktika s peremychkoi NGC 1365 ot teleskopa "Dzheims Vebb" Spiral'naya galaktika NGC 6744 M16: stolpy sozidaniya Temnaya materiya v modeli Vselennoi Vse publikacii na tu zhe temu >>