Sentences with phrase «blazars appear»
Blazars appear to produce more gamma radiation than other types of active galaxies, but this may be because one of their jets is pointed toward Earth.
https://www.space.com/
A blazar appears bright to Fermi for two reasons.
Not exact matches
PKS 1830 - 211 thus appears in the sky as two images; and these images are brighter than the blazar would be without this lens effect.