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…
6 months 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…
3 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…
9 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…
10 years ago