The violent death throes of a nearby star so thoroughly disrupted its planetary system that the dead star left behind—known as a white dwarf—is sucking in debris from both the system's inner and outer reaches, UCLA astronomers ...
Astronomy
Jun 16, 2022
2
2950
The ancestors of some of the largest galaxy clusters have been hiding in plain sight. New work led by Carnegie's Andrew Newman demonstrates a new technique for identifying the precursors of the most extreme galactic environments. ...
Astronomy
Jun 15, 2022
0
226
Using the Subaru telescope, an international team of astronomers have performed deep multi-band photometric observations of a dwarf irregular galaxy known as NGC 6822. Results of the observational campaign, presented May ...
A thorough understanding of galaxy evolution depends in part on an accurate measurement of the abundance of metals in the intergalactic medium—the space between stars—but dust can impede observations in optical wavelengths. ...
Astronomy
Jun 1, 2022
1
818
In our sun's neighborhood of the Milky Way Galaxy is a relatively bright star, and in it, astronomers have been able to identify the widest range of elements in a star beyond our solar system yet.
Astronomy
May 11, 2022
2
1178
The number of sunspots on our sun typically ebbs and flows in a predictable 11-year cycle, but one unusual 70-year period when sunspots were incredibly rare has mystified scientists for 300 years. Now, a nearby sun-like star ...
Astronomy
Mar 24, 2022
1
973
Astronomers have performed a comprehensive study of a peculiar "black widow" millisecond pulsar known as PSR J0610−2100. Results of this research, published March 11 on the arXiv pre-print repository, deliver essential ...
Locked in an epic cosmic waltz 9 billion light years away, two supermassive black holes appear to be orbiting around each other every two years. The two giant bodies each have masses that are hundreds of millions of times ...
Astronomy
Feb 23, 2022
37
12800
The European Southern Observatory's Very Large Telescope Interferometer (ESO's VLTI) has observed a cloud of cosmic dust at the center of the galaxy Messier 77 that is hiding a supermassive black hole. The findings have confirmed ...
Astronomy
Feb 16, 2022
0
415
Using ESA's XMM-Newton and NASA's NuSTAR spacecraft, astronomers have observed a galactic source designated IGR J18007–4146. The observational campaign has found that this source is an intermediate polar. The finding is ...
