ALMA
This is an Actual Image of a Planet-Forming Disc in a Distant Star System
In 2017, astronomers used ALMA (Atacama Large Millimeter/sub-millimeter Array) to look at the star AB Aurigae. It's a type of…
You’re Looking at Spiral Galaxies, Already Forming When the Universe was Just a Baby
The ALPINE survey recently observed 118 galaxies dated to just 1-1.5 billion years ago, and found that the early galaxies…
Interstellar Comet 2I/Borisov Formed in a Very Cold Environment
Using the ALMA array, astronomers were able to detect the chemical composition of an interstellar object as 2I/Borisov began releasing…
Are the Gaps in These Disks Caused by Planets?
Astronomers like observing distant young stars as they form. Stars are born out of a molecular cloud, and once enough…
Both Stars in This Binary System Have Accretion Disks Around Them
Stars exhibit all sorts of behaviors as they evolve. Small red dwarfs smolder for billions or even trillions of years.…
Astronomers Uncover Dozens of Previously Unknown Ancient and Massive Galaxies
An international team of astronomers led by the University of Tokyo used ALMA to view 39 previously-undiscovered ancient galaxies.
Uranus’ Rings are Surprisingly Bright in Thermal Emissions
New observations by ALMA and the VLT provide the most-detailed look yet at Uranus' system of rings, revealing things about…
The Earliest Example of Merging Galaxies Ever Found
Galaxy mergers are not particularly rare, but they are important events. Not only for the galaxies involved, but for scientists…
There’s a Ring of Cool Gas Wrapped Around the Milky Way’s Supermassive Black Hole
There's a lot going on at the center of our galaxy. A supermassive black hole named Sagittarius A-Star resides there,…
Gas and Dust Seen Swirling Around our Galaxy’s Supermassive Black Hole
A team using ALMA has observed gas and dust cloudlets near the super massive black hole at the center of…