In space, black holes appear in different sizes and masses. The record is now held by a specimen in the Abell 85 cluster of galaxies, where an ultra-massive black hole with 40 billion times the mass of our sun sits in the ...
Astronomy
Dec 3, 2019
8
641
Supermassive black holes, weighing millions or even billions of times our Sun's mass, are still only a tiny fraction of the mass of the galaxies they inhabit. But in some cases, the central black hole is the tail wagging ...
Astronomy
Nov 19, 2019
4
240
This ghostly image shows what can happen when an interstellar cloud passes too close to a star. Barnard's Merope Nebula, also known as IC 349, is a cloud of interstellar gas and dust traveling through the Pleiades star cluster ...
Astronomy
Oct 28, 2019
1
41
Using NASA's Chandra X-ray Observatory, astronomers from Pennsylvania State University (PSU) and the California Institute of Technology (Caltech) have investigated IRAS 09002-473, an embedded cluster of stars in the Vela ...
When it comes to making new stars, the party is almost over in the present-day universe. In fact, it's been nearly over for billions of years. Our Milky Way continues to form the equivalent of one Sun every year. But in the ...
Astronomy
Aug 22, 2019
1
744
Using high-resolution adaptive optics imaging from the Gemini Observatory, astronomers have uncovered one of the oldest star clusters in the Milky Way Galaxy. The remarkably sharp image looks back into the early history of ...
Astronomy
Mar 21, 2019
4
253
Although this cluster of stars gained its name due to its five brightest stars, it is home to hundreds more. The huge number of massive young stars in the cluster is clearly captured in this NASA/ESA Hubble Space Telescope ...
Astronomy
Jul 20, 2015
1
72
Astronomers from the University of Toronto and the University of Arizona have provided the first direct evidence that an intergalactic "wind" is stripping galaxies of star-forming gas as they fall into clusters of galaxies. ...
Astronomy
Nov 13, 2014
0
3
Astronomers have uncovered the strange case of a neutron star with the peculiar ability to transform from a radio pulsar into an X-ray pulsar and back again. This star's capricious behavior appears to be fueled by a nearby ...
Astronomy
Sep 25, 2013
4
0
(Phys.org) —Smaller begets bigger. Such is often the case for galaxies, at least: the first galaxies were small, then eventually merged together to form the behemoths we see in the present universe.
Astronomy
Apr 17, 2013
14
0
