Tag: hole
First unambiguous detection of a wandering stellar black hole
For the first time, an isolated stellar black hole — that is, without a companion — has been detected. This invisible object revealed itself by producing a gravitational microlens. You…
A rare type of black hole discovered near our Galaxy
The most beautiful discoveries are sometimes made… right next to home. For this time, in the Andromeda galaxy, the spiral galaxy closest to ours. Astronomers have just found an intermediate-sized…
A Rarely Observed Type of Black Hole Found in a Galaxy Near Us
The most beautiful discoveries are sometimes made… right next to home. For this time, in the Andromeda galaxy, the spiral galaxy closest to ours. Astronomers have just found an intermediate-sized…
Surprise! A giant black hole makes stars
Black holes are often perceived as cosmic ogres, destroyers of stars. And yet, observations carried out thanks to the high resolution of the Hubble Space Telescope show that sometimes they…
A “monstrous” mini-black hole unearthed in a dwarf galaxy
A team of astronomers have discovered a supermassive black hole of a few hundred thousand solar masses in a dwarf galaxy, Mrk 462. The discovery of this “small” black hole…
The supermassive black hole at the center of the Milky Way is unpredictable
Here, an image produced using X-ray data collected by the Swift satellite between 2006 and 2013. The supermassive black hole Sagittarius A* is in the center of the image. Low-energy…
Éric Zemmour in a hole of air
The polls currently put him in fourth place. Éric Zemmour is several armfuls behind Emmanuel Macron, Valérie Pécresse and Marine Le Pen. The far-right candidate is experiencing a false dish…
Giant mini black hole discovered in dwarf galaxy
A team of astronomers have discovered a supermassive black hole of a few hundred thousand solar masses in a dwarf galaxy, Mrk 462. The discovery of this “small” black hole…
Centaurus A black hole eruption occupies 16 times the size of the Moon in the sky
Radio astronomers have produced the most complete picture of radio broadcasts from one of the Milky Way’s closest supermassive black holes. The show is fed by the central black hole…
Supermassive black hole is believed to be hiding in dwarf galaxy near Milky Way
This is unheard of and questions the growth models of galaxies and supermassive black holes. The dwarf galaxy Leo I orbiting the Milky Way would contain at its center a…