A fossilised remnant of the early Milky Way harbouring stars of hugely different ages has been revealed by an international team of astronomers. This stellar system resembles a globular cluster, but is like no other cluster ...
Astronomy
Sep 7, 2016
0
2237
This Hubble image stars Messier 90, a beautiful spiral galaxy located roughly 60 million light-years from the Milky Way in the constellation of Virgo (the Virgin). The galaxy is part of the Virgo Cluster, a gathering of galaxies ...
Astronomy
May 24, 2019
1
714
Extremely distant galaxies are usually too faint to be seen, even by the largest telescopes. But nature has a solution—gravitational lensing, predicted by Albert Einstein and observed many times by astronomers. Now, an ...
Astronomy
Feb 2, 2018
8
428
Using the Australian Square Kilometer Array Pathfinder (ASKAP), an international team of astronomers has detected a radio relic in a merging galaxy cluster known as SPT-CL 2023-5535. The discovery is reported in a research ...
The Japanese Aerospace Exploration Agency (JAXA) has lost contact with its X-ray Astronomy Satellite Hitomi (ASTRO-H.) Hitomi was launched on February 17th, for a 3-year mission to study black holes. But now that mission ...
Space Exploration
Mar 30, 2016
4
56
At the center of a galaxy cluster, 1 billion light years from Earth, a voracious, supermassive black hole is preparing for a chilly feast.
Astronomy
Jun 8, 2016
58
1303
When spectacular cosmic events such as galaxy collisions occur, it sets off a reaction to form new stars, and possibly new planets that otherwise would not have formed. The gravitational pull that forces the collisions between ...
Astronomy
Feb 9, 2024
32
3717
An innovative interpretation of X-ray data from a cluster of galaxies could help scientists fulfill a quest they have been on for decades: determining the nature of dark matter.
Astronomy
Dec 19, 2017
19
879
Globular star clusters are extraordinary in almost every way. They're densely packed, holding a million stars in a ball only about 100 light-years across on average. They're old, dating back almost to the birth of the Milky ...
Astronomy
Jan 6, 2016
15
2112
Galaxies and dark matter go hand in hand; you typically don't find one without the other. So when researchers uncovered a galaxy, known as NGC1052-DF2, that is almost completely devoid of the stuff, they were shocked.
Astronomy
Mar 28, 2018
73
1157
