| 单词 |
sombrero galaxy |
| 释义 |
Sombrero galaxy
Sombrero galaxy (som-brair -oh) (M104; NGC 4594) A spiral (Sa/Sb) galaxy in the constellation Virgo that has a relatively large bright nucleus and lies at a distance of 15 Mpc. The spiral structure is difficult to trace because the galaxy appears almost edge-on. A dark absorption band of interstellar dust in the galactic plane is clearly visible against the bright bulge component.Sombrero galaxy[səm′brer·ō ′gal·ik·sē] (astronomy) A spiral galaxy in the constellation Virgo that is seen nearly edge-on, having a recession velocity of approximately 910 kilometers per second (565 miles per second). |
| 随便看 |
- airwaves (disambiguation)
- airwave wireless management suite
- air way
- airway
- airway anatomy
- airway beacon
- air waybill
- airway bill
- air waybills
- airway, breathing, circulation, and disability
- airway, breathing, circulation, decision
- airway, breathing, circulation, defibrillation
- airway, breathing, circulation, definitive treatment
- airway, breathing, circulation, differential diagnosis
- airway, breathing, circulation, disability and exposure
- airway breathing circulation disability exposure
- airway breathing cold
- airway circuit-stabilizing device
- airway clearance, ineffective
- airway clearance technique
- airway conductance
- airway constriction
- airway, c-spine, breathing, & circulation
- airway dilation following lung inflation
- airway facilities
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