Blazar

The Universe Sparkles in Gamma Rays in this New NASA Animation

We've come a long way since gamma rays were discovered. The late 1800s and early 1900s were a time of…

2 years ago

Supermassive Black Hole Orbits an Even More Massive Black Hole, Crashing Through its Accretion Disk Every 12 Years

Recent observations by the now-retired Spitzer mission have led to accurate predictions OJ 287, a blazar that contains a supermassive…

5 years ago

18 Billion Solar Mass Black Hole Rotates At 1/3 Speed Of Light

An international team of astronomers recently measured the rotation rate of one of the most massive black holes known ...…

9 years ago

Observing Alert: Distant Blazar 3C 454.3 in Outburst, Visible in Amateur Telescopes

Have an 8-inch or larger telescope? Don't mind staying up late? Excellent. Here's a chance to stare deeper into the…

10 years ago

Bright Blazar’s Emission Defies Explanations

When it comes to sheer wattage, blazars definitely rule. As the brightest of active galactic nuclei, these sources of extreme…

12 years ago