|

by Mary Randolph
September 25, 2026
from
ScientificAmerican Website
|
Mary Randolph
is a news
intern at Scientific American based in New York. Her
work has been featured by Smithsonian Magazine, Pew
Research Center, the Local News Initiative and various
local newsrooms. |

As a black hole and star orbit
each other,
the black hole
steals away matter from the star.
Some of that
material is absorbed into the black hole,
but some of it
is shot into the distance
in a high-speed
jet stream.
B. Marcote/JIVE/ASTRON
Meet the Milky Way's
first
microblazar...
An invisible stream of superfast plasma is heading straight for
Earth, and scientists are thrilled.
The reason why is that these jets offer the first evidence of a
microblazar...
This is a tiny version of a blazar - an
active galactic nucleus that contains a supermassive black hole
that throws out high-speed jets of plasma.
Scientists have long believed small versions
of blazars exist in our own galaxy, but nobody had ever seen one
- until now.
Video also
HERE
In a new preprint study, researchers describe how
they discovered a microblazar "hiding in plain sight," said Josep
Martí, an astronomer at the University of Jaén in Spain and lead
author of the paper,
in a statement.
The system is around 12,000 light-years from Earth and
consists of a star and black hole orbiting each other.
Because they're so close together, the black
hole draws matter from the star.
The black hole absorbs some of this material
and shoots some of it toward Earth.
The ejected plasma travels at around three
quarters of the speed of light.
Astronomers previously knew about this object,
Martí said, but it was clouded by dust and never thoroughly
analyzed.
"It sits behind so much dust that it is
practically invisible in standard optical images," he said.
"It was catalogued decades ago and then was
more or less forgotten."
Now that they've found the microblazar,
astronomers want to learn all they can, including how it evolved,
how the jets interact with interstellar medium and whether more
systems like this exist in our galaxy.
The study (A
Galactic Microblazar as a potential accelerator of Ultra-high-energy
Particles) was released as a preprint on September 1 and
has been accepted for publication in Astronomy & Astrophysics.
|