Ultra-faint dwarf galaxies are the smallest, most dark matter dominated, and least chemically enriched stellar systems in the universe, and are important targets for understanding dark matter and galaxy formation. They comprise ...
Astronomy
Oct 1, 2018
4
186
A team led by researchers from the Institute of Cosmos Sciences of the University of Barcelona (ICCUB, UB-IEEC) and the University of Groningen has found, through the analysis of Gaia data, substructures in the Milky Way ...
Astronomy
Sep 20, 2018
0
910
Using data provided by Gaia satellite, two American astronomers have discovered a white dwarf-main sequence binary in the open cluster NGC 752. It is the first white dwarf found in this cluster. The finding was detailed by ...
A pair of dwarf galaxies closely circling the Milky Way, the Large and Small Magellanic Clouds, were in the throes of merging into one when they fell into our galaxy. The duo is thought to hold enough gas to replenish half ...
Astronomy
Aug 9, 2018
4
160
A thin gap has been discovered on the Hertzsprung-Russell Diagram (HRD), the most fundamental of all maps in stellar astronomy, a finding that provides new information about the interior structures of low mass stars in the ...
Astronomy
Jul 26, 2018
1
203
An international team of astronomers has discovered an ancient and dramatic head-on collision between the Milky Way and a smaller object, dubbed the "Sausage" galaxy. The cosmic crash was a defining event in the early history ...
Astronomy
Jul 4, 2018
2
324
Researchers at the University of Bonn and the University of California at Irvine used sophisticated computer simulations to devise a test that could answer a burning question in astrophysics: does dark matter actually exist? ...
Astronomy
Jun 26, 2018
12
236
Caltech scientists have found, for the first time, that merging pairs of neutron stars—the burnt-out cores of stars that have exploded—create the majority of heavy elements in small "dwarf" galaxies. Heavy elements, such ...
Astronomy
Jun 6, 2018
0
144
Capitalizing on the unparalleled sharpness and spectral range of NASA's Hubble Space Telescope, an international team of astronomers is releasing the most comprehensive, high-resolution ultraviolet-light survey of nearby ...
Astronomy
May 17, 2018
0
330
An international group of astronomers reports the detection of a new dwarf galaxy in the so-called Magellanic Bridge – a stream of gas linking the two Magellanic Clouds. The newly found galaxy, designated Hydrus 1, is described ...
