galaxies
The Venerable Hubble Space Telescope Keeps Delivering
The world was much different in 1990 when NASA astronauts removed the Hubble Space Telescope from Space Shuttle Discovery's cargo…
Not All Black Holes are Ravenous Gluttons
Some Supermassive Black Holes (SMBHs) consume vast quantities of gas and dust, triggering brilliant light shows that can outshine an…
Galaxies Evolved Surprisingly Quickly in the Early Universe
Anyone familiar with astronomy will know that galaxies come in a fairly limited range of shapes, typically; spiral, elliptical, barred-spiral…
Black Holes Can Halt Star Formation in Massive Galaxies
It’s difficult to actually visualise a universe that is changing. Things tend to happen at snails pace albeit with the…
The Milky Way’s Smallest, Faintest Satellite Galaxy Found
The Milky Way has many satellite galaxies, most notably the Large and Small Magellanic Clouds. They're both visible to the…
Webb Watches the Most Distant Galactic Merger Ever Seen
Astronomers know that galaxies form through mergers. They've been happening since the earliest epochs of cosmic time. Using the Webb…
Astronomers Find the Most Massive Supercluster to Date
The Earth’s place in space is a fairly familiar one with it orbiting an average star. The star - our…
Are Andromeda and the Milky Way Already Exchanging Stars?
I often drag out the amazing fact that the Andromeda Galaxy, that faint fuzzy blob just off the corner of…
Black Holes Need Refreshing Cold Gas to Keep Growing
How were supermassive black holes able to grow so rapidly in the early Universe? Galactic mergers were believed to be…
This Galaxy Was Already Dead When the Universe Was Only 700 Million Years Old
When a galaxy runs out of gas and dust, the process of star birth stops. That takes billions of years.…