From high atop a mountain in the Chilean Andes, the Dark Energy Camera has snapped more than one million exposures of the southern sky. The images have captured around 2.5 billion astronomical objects, including galaxies ...
Astronomy
Oct 4, 2022
3
71
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
