(Phys.org) -- A loose group of stars that was known for over 180 years but never before studied in detail has been revealed to be an important new tool in the quest to understand the evolution of stars like the Sun, and in ...
Astronomy
Jun 22, 2012
4
0
The signature spiral arms of the Milky Way galaxy were likely formed by an epic collision between the Milky Way and the Sagittarius Dwarf galaxy, according to a University of Pittsburgh researcher and his collaborators, published ...
Astronomy
Sep 14, 2011
6
0
In the new ESO image, Barnard's Galaxy glows beneath a sea of foreground stars in the direction of the constellation of Sagittarius (the Archer). At the relatively close distance of about 1.6 million light-years, Barnard's ...
Astronomy
Oct 14, 2009
1
0
Smouldering several thousand light-years away in the constellation of Sagittarius (the Archer), the Trifid Nebula presents a compelling portrait of the early stages of a star's life, from gestation to first light. The heat ...
Astronomy
Aug 26, 2009
8
0
Scientists using the Atacama Large Millimeter/submillimeter Array (ALMA) to study the protoplanetary disk around a young star have discovered the most compelling chemical evidence to date of the formation of protoplanets. ...
Planetary Sciences
Jun 27, 2023
0
166
An international team of astrophysicists has discovered something wholly new, hidden in the center of the Milky Way galaxy.
Astronomy
Jun 2, 2023
21
227
A peculiar cloud of gas, nicknamed the Tadpole due to its shape, appears to be revolving around a space devoid of any bright objects. This suggests that the Tadpole is orbiting a dark object, most likely a black hole 100,000 ...
Astronomy
Feb 16, 2023
0
78
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
An international team of researchers has found the original nucleus of the Milky Way galaxy. They have written a paper describing their finding and posted it on the arXiv preprint server.
Maser emissions, "cosmic lasers" from interstellar and circumstellar medium, are produced by the amplification of stimulated emissions. Bright and compact maser sources are good targets for high-accuracy astrometry in the ...
Astronomy
Sep 9, 2022
0
208
