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…
1 year 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…
4 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 ...…
8 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…
11 years ago