And then boom! A big burst of brightness suddenly popped up. Then, it calmed down again. We couldn't find a pattern in this activity. It appears to be random. The activity profile of this black ...

“And then boom! A big burst of brightness ... about the physical processes occurring around the black hole. One explanation is that the particles lose energy over the course of the flare ...

Pollutants, infections, and lung cancer may cause black mucus or phlegm. Below, we discuss these and other more common causes. Air pollutants, including particles of dirt or industrial chemicals ...

“And then boom! A big burst of brightness suddenly ... or when two different magnetic fields collide near the black hole and release energetic particles moving near the speed of light.

It's used to study cosmic radiation, and particles that emanate from the sun, the planets, and interstellar space. The ISS consists of two black and ... from the science boom is a 43-foot ...