4 ms·
Blazars are some of the brightest objects in the sky, and some of the furthest from us (think the furthest object I studied was at a redshift of 6 or so). They
by cuSetanta 4y ago
Blazars are some of the brightest objects in the sky, and some of the furthest from us (think the furthest object I studied was at a redshift of 6 or so). They can also be difficult to pinpoint in terms of distance due to their flat spectra.