http://homework.uoregon.edu/pub/class/123/galaxies.html WebAnswer Key: B Question 3 of 12 1.0 Points In an SBb galaxy, the spiral arms emanate from: A. the galactic center B. the ends of the bar C. the galactic disk D. the halo Answer Key: B
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WebDec 16, 2011 · Messier 74, also called NGC 628, is a stunning example of a grand-design spiral galaxy that is viewed by Earth observers nearly face-on. Its perfectly symmetrical spiral arms emanate from the central nucleus and are dotted with clusters of young blue stars and glowing pink regions of ionized hydrogen (hydrogen atoms that have lost their … WebMost disc galaxies (Sa, Sb, Sc above) also have spiral arms and are called spiral galaxies. About half also have well-defined 'bars' near the center, and these are called barred spirals … kinks sunny afternoon guitar chords
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WebJan 8, 2024 · Barred spiral galaxy type B – abbreviation SBb – they feature both tightly and loosely bond arms. 6. Barred spiral galaxy type C – abbreviation Sbc – they have loosely bound arms. Future Usually, spiral galaxies are believed to evolve into elliptical galaxies as they get older. All galaxies change their form/shape as they age. WebApr 11, 2024 · NGC 1365 is a Hubble-type SBb barred spiral galaxy in the southern constellation of Fornax. The shape of the bars is striking and it is one of the best-known barred spiral galaxies. NGC 1365 has a magnitude of 9.5 and an angular extent of 11′.0 × 6′.2. The galaxy is about 68 million light-years distant and over 200,000 light-years across. WebMost spiral galaxies have a central bulge surrounded by a flat, rotating star disk. The bulge in the middle is composed of old, dark stars and is thought to contain supermassive black holes. About two-thirds of spiral galaxies also contain … kinks sunny afternoon chords