Galactic center

http://astrothesaurus.org/uat/565

alt label
Center of the Milky Way
Galactic Centre
Milky Way Galaxy nucleus
Milky Way center
dcterms modified equal to or less than 2020-11-09T14:51:30.526Zequal to or more than 2020-11-09T14:51:30.526Z
broader
http://astrothesaurus.org/uat/1056 original
narrower
565 original
definition The rotational center of the Milky Way galaxy located in the direction of the Sagittarius constellation at a distance of 7.62 ± 0.32 kpc. Its equatorial coordinates (J2000 epoch) are: R.A. 17h45m40.04s, Dec. -29° 00' 28.1''. The Sun orbits around the Galactic center once every 200 million years at a speed of 220 km per second. It is believed that there is a supermassive black hole at the Galactic center.
type
Resource original
Concept original
contributor AAS_Frey.Katie original