For billions of years, the Milky Way's largest satellite galaxies—the Large and Small Magellanic Clouds—have followed a perilous journey. Orbiting one another as they are pulled in toward our home galaxy, they have begun ...
Astronomy
Sep 28, 2022
2
6335
Using data from the Gaia space telescope, a team led by researchers at Lund University in Sweden has shown that large parts of the Milky Way's outer disk vibrate. The ripples are caused by a dwarf galaxy, now seen in the ...
Astronomy
Sep 23, 2022
0
799
Through giant lobes of gamma radiation, an international team of researchers have found a small satellite galaxy of the Milky Way filled with dark matter, but whose emissions are more likely the result of millisecond pulsars ...
Astronomy
Sep 11, 2022
0
93
A glowing blob known as "the cocoon," which appears to be inside one of the enormous gamma-ray emanations from the center of our galaxy dubbed the "Fermi bubbles," has puzzled astronomers since it was discovered in 2012.
Astronomy
Sep 6, 2022
2
897
According to the standard model of cosmology, the vast majority of galaxies are surrounded by a halo of dark matter particles. This halo is invisible, but its mass exerts a strong gravitational pull on galaxies in the vicinity. ...
Astronomy
Aug 5, 2022
187
1299
An international team of researchers has observed part of the formation of a dwarf galaxy, helping to explain how they evolve from a dwarf state to maturity. In their paper published in the journal Nature, the group describes ...
A recent picture by the DESI Legacy Imaging Survey features a mysterious globular cluster Whiting 1 in the galactic halo. So, what is Whiting 1 and why do we care about it?
Astronomy
Jul 6, 2022
0
219
A new fossil galaxy, which was uncovered via a systematic visual search of legacy survey images using the Mayall 4-meter telescope, led by Dr. David Martinez Delgado, could teach scientists about how galaxies form and confirm ...
Astronomy
Jun 30, 2022
0
91
Astronomers analyzing data from the VLA Sky Survey (VLASS) have discovered one of the youngest known neutron stars—the superdense remnant of a massive star that exploded as a supernova. Images from the National Science ...
Astronomy
Jun 16, 2022
0
2750
A team led by researchers at the University of North Carolina at Chapel Hill has found a previously overlooked treasure trove of massive black holes in dwarf galaxies. The newly discovered black holes offer a glimpse into ...
Astronomy
May 24, 2022
2
1434
