Home > Term: braccio dei 3 kpc
braccio dei 3 kpc
A component of the Sagittarius arm with noncircular gas motions. It is seen in absorption against Sgr A with a velocity of -53 km s-1, implying that at least part of the arm is expanding away from the galactic center. The nearest "edge" is presently at a radius of 4 kpc from the Galactic center.
- Part of Speech: noun
- Industry/Domain: Astronomy
- Category: General astronomy
- Company: Caltech
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Creator
- Chiara conte
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(Beijing, China)
