gas

How Do Galaxies Die?

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

7 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…

7 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…

7 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…

8 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…

8 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…

8 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,…

8 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…

9 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…

12 years ago