gas

The JWST Reveals the Nature of Dust Around an Active Galactic Nuclei

Supermassive Black Holes (SMBHs) are located in the centers of large galaxies like ours. When they're actively feeding, they produce…

4 months ago

How Do Galaxies Die?

Everything eventually dies, even galaxies. So how does that happen? Time to come to grips with our galactic mortality. Not…

10 years ago

Wow! Gas Bridge In The Universe Stretches 2.6 Million Light-Years Across

How the heck did all that gas get there? Researchers have discovered an astonishing amount of it bridging galaxies, stretching…

10 years ago

What Are Comet Tails?

Comets are renowned for their big beautiful tails that stretch across the sky. But what's in those things, anyway? And…

10 years ago

Keck Spots A Galaxy Fueled With Ancient Gas

"Primordial hydrogen" sounds like a great name for a band. It's also a great thing to find when you're looking…

11 years ago

Supermassive Black Holes Keep Galaxies From Getting Bigger

It's long been a mystery for astronomers: why aren't galaxies bigger? What regulates their rates of star formation and keeps…

11 years ago

ALMA Spots a Nascent Stellar Monster

Even though it comprises over 99% of the mass of the Solar System (with Jupiter taking up most of the…

11 years ago

A Galaxy Grows Fat on Nearby Gas

If you live in the U.S. you may be enjoying a sultry summer day off in honor of Independence Day,…

11 years ago

Galactic Close Call Leaves a Bridge of Gas

[/caption] An ancient passing between two nearby galaxies appears to have left the participants connected by a tenuous "bridge" of…

13 years ago

States of Matter

Solid, liquid, gas … those are the states of matter we're thoroughly familiar with, but what makes for a state…

15 years ago