Using observations made with the Gran Telescopio Canarias (GTC), at the Roque de los Muchachos Observatory (Garafía, La Palma, Canary Islands), and with the ATACAMA Large Millimeter/submillimetre Array (ALMA), in Chile, ...
Astronomy
Sep 28, 2020
6
4754
The nebula known as W51 is one of the most active star-forming regions in the Milky Way galaxy. First identified in 1958 by radio telescopes, it makes a rich cosmic tapestry in this image from NASA's recently retired Spitzer ...
Astronomy
Aug 26, 2020
0
259
Astronomers studying galaxy evolution have long struggled to understand what causes star formation to shut down in massive galaxies. Although many theories have been proposed to explain this process, known as "quenching," ...
Astronomy
Jul 16, 2020
2
328
The revolution in our understanding of the night sky and our place in the universe began when we transitioned from using the naked eye to a telescope in 1609. Four centuries later, scientists are experiencing a similar transition ...
Astronomy
Jun 30, 2020
0
674
Using the European Southern Observatory's Very Large Telescope (VLT), astronomers have discovered the absence of an unstable massive star in a dwarf galaxy. Scientists think this could indicate that the star became less bright ...
Astronomy
Jun 30, 2020
25
4341
Over the past two decades, astronomers have concluded that most, if not all, galaxies host massive black holes at their centers—and the masses of a black hole and its host galaxy are correlated. But how are the two connected? ...
Astronomy
May 21, 2020
7
468
Many galaxies far more active than the Milky Way have enormous twin jets of radio waves extending far into intergalactic space. Normally these go in opposite directions, coming from a massive black hole at the centre of the ...
Astronomy
May 8, 2020
0
2211
Galaxies grow large by eating their smaller neighbours, new research reveals.
Astronomy
Apr 22, 2020
23
611
A team of Clemson University College of Science researchers, in collaboration with international colleagues, has reported the first definitive detection of a relativistic jet emerging from two colliding galaxies—in essence, ...
Astronomy
Apr 7, 2020
12
1009
About 85% of the matter in the universe is in the form of dark matter, whose nature remains a mystery, and the rest is of the kind found in atoms. Dark matter exhibits gravity but otherwise does not interact with normal matter, ...
Astronomy
Mar 19, 2020
23
929
