आकाशगंगा: रिवीजन सभ के बीचा में अंतर
Content deleted Content added
fixed cite error |
fixed cite error |
||
लाइन 29:
| label12 = [[Density wave theory|Spiral pattern rotation period]]
| data12 = 220–360 Myr<ref name=rotation_pattern_speeds>{{cite journal | last1=Gerhard| first1=O. | title = Pattern speeds in the Milky Way | arxiv=1003.2489v1 }}</ref>
| label13 = [[Barred spiral galaxy|Bar pattern]] rotation period
| data13 = 100–120 Myr<ref name=rotation_pattern_speeds/>
| |||