milky way
High Velocity Clouds Comprise Less of the Milky Way’s Mass Than We Thought
A survey of high velocity clouds in the galactic halo of the Milky Way finds that they make up less…
We’re Living in an Abnormal Galaxy
Astronomers often use the Milky Way as a standard for studying how galaxies form and evolve. Since we're inside it,…
Astronomers Defy the Zone of Avoidance to Find Hundreds of New Galaxies
The Zone of Avoidance is a region of the sky that's obscured by the disk of the Milky Way. The…
eROSITA All-Sky Survey Takes the Local Hot Bubble’s Temperature
About half a century ago, astronomers theorized that the Solar System is situated in a low-density hot gas environment. This…
The GALAH Fourth Data Release Provides Vital Data on One Million Stars in the Milky Way.
For the past ten years, Australia’s ARC Centre of Excellence in All Sky Astrophysics in 3 Dimensions (ASTRO 3D) has…
The Outer Reaches of the Milky Way are Full of Stars, and the JWST is Observing Them
The Milky Way's outer reaches are coming into view thanks to the JWST. Astronomers pointed the powerful space telescope to…
Mapping the Milky Way’s Dark Matter Halo
Anytime astronomers talk of mapping the Milky Way I am always reminded how tricky the study of the Universe can…
The Inner and Outer Milky Way Aren’t the Same Thickness, and that’s Surprising
At first glance, the universe and night sky seem largely unchanging. The reality is very different, even now, a gas…
The Milky Way’s Last Merger Event Was More Recent Than Thought
The Milky Way is only as massive as it is because of collisions and mergers with other galaxies. This is…
Hot Gas is Being Vented Away from the Center of the Milky Way
Studying gas in the Universe is no easy task. We often look to ‘non-visible’ wavelengths of the electromagnetic spectrum such…