galaxies

Nancy Grace Roman Telescope Will do its Own, Wide-Angle Version of the Hubble Deep Field

Remember the Hubble Space Telescope's Deep Field and Ultra-Deep Field images? Those images showed everyone that what appears to be…

5 days ago

Astronomy Jargon 101: Irregular Galaxies

In this series we are exploring the weird and wonderful world of astronomy jargon! You’ll feel a little odd after today's…

1 month ago

Astronomy Jargon 101: Galactic Halo

In this series we are exploring the weird and wonderful world of astronomy jargon! You’ll wrap your head around today's topic:…

1 month ago

A Gravitational Lens Shows the Same Galaxy Three Times

Images from the Hubble Space Telescope are often mind-bending in both their beauty and wealth of scientific wonder. And sometimes,…

2 months ago

A Black Hole has been Found Lurking Just Outside the Milky Way

Astronomers have found a smaller, stellar-mass black hole lurking in a nearby satellite galaxy of our own Milky Way.  The…

2 months ago

It Turns out There Were Supernovae Exploding all Over, we Just Couldn’t see Them

When the poet Horace said “We are but dust and shadow”, he probably didn’t think that dust itself could create…

5 months ago

The Largest Rotating Objects in the Universe: Galactic Filaments Hundreds of Millions of Light-Years Long

We've known for a while about the large-scale structure of the Universe. Galaxies reside in filaments hundreds of millions of…

7 months ago

Astronomers Can Predict When a Galaxy’s Star Formation Ends Based on the Shape and Size of its Disk

A galaxy's main business is star formation. And when they're young, like youth everywhere, they keep themselves busy with it.…

12 months ago

Galaxy Mergers can Boost Star Formation, and it can Also Shut it Down

Galaxy mergers are beautiful sights, but ultimately deadly. In the midst of the collision, the combined galaxy will shine brighter…

12 months ago