|What's causing a huge jet to emanate from the center of galaxy
unusual jet was first noticed early in the
the exact cause is still debated.
The above picture taken by the
Hubble Space Telescope in 1998 shows clear details, however.
popular hypothesis holds that the
jet is created
by energetic gas swirling around a massive
black hole at the galaxy's center.
The result is a 5000
electrons are ejected outward at near light-speed,
emitting eerily blue light during a magnetic spiral.
M87 is a giant
residing only 50 million light-years away in the
Virgo Cluster of Galaxies.
The faint dots of light
M87's center are large ancient
globular clusters of stars.
J. A. Biretta et al., Hubble Heritage Team