Dragonfly 44 is a galaxy that is 99.99% dark matter.
Hidden In Plain Sight
A new galaxy has been discovered that was hiding in plain sight.
A Bit Farther
The most distant galaxy yet has been observed with a redshift of z=11.1.
Some Galaxies Give Birth To 800 Stars Per Year
Recent observations from the ALMA radio telescope array have found some galaxies are extremely efficient at producing new stars, with some galaxies creating stars at an average rate of 800 per year.
Obstructed View
It’s important to keep in mind that our view of the cosmos can have an obstructed view.
The Galactic Main Sequence
If you plot galaxies by the estimated number of stars they have and the calculated rate at which stars are forming, then you find that most galaxies lie along a line.
Triangulum II: A Dark Matter Galaxy?
We’ve found some evidence of dark matter galaxies before, and now a new paper proposes that Triangulum II could be a dark galaxy.
Did Stars Form In The Center Of Our Galaxy First?
One popular model of galaxy formation has been that stars form in the central region of a galaxy first, and then later stars further out form.
A Lens Bigger Than A Galaxy
Astronomers have used a lens bigger than a galaxy to observe the faintest and youngest galaxies ever found.