Category:Markarian 421

**Markarian 421**
	Closest Blazar to the Milky Way
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	Wikipedia
Instance of	blazar;
Part of	[CHM2007] LDC 773; [RPG97] 112; [T2015] nest 100315;
Constellation	Ursa Major;
Spectral class	DC;
Distance from Earth	500,000,000 ±1 ly; 127.17 Mpc;
	Right ascension 166.11380800424 degree; Declination 38.208832868008 degree
Authority file
	Q201968; SIMBAD ID: Mrk 421
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

Media in category "Markarian 421"

The following 3 files are in this category, out of 3 total.