Galaxy Collision

The Milky Way’s Stellar Halo Isn’t a Sphere After All

Our galaxy's stellar halo is giving astronomers some new food for thought. It turns out everyone thought the halo was…

2 weeks ago

When Galaxies Collide, Black Holes Don’t Always Get the Feast They Were Hoping for

What happens when galaxies collide? Well, if any humans are around in about a billion years, they might find out.…

2 years ago

Ancient Impacts Shaped the Structure of the Milky Way

According to a new study using data from the SDSS, ripples in the Milky Way's disk may be indications of…

5 years ago

Astronomy Cast Ep. 407: Galactic Cannibalism

Last week we talked about stars feasting on other stars. This week, we scale the whole process up a notch,…

7 years ago

Galactic Gong – Milky Way Struck and Still Ringing After 100 Million Years

When galaxies collide, stars are thrown from orbits, spiral arms are stretched and twisted, and now scientists say galaxies ring…

10 years ago

Milky Way Arm Wrestles With Dark Matter

[/caption] For a good number of years, astronomers have hypothesized the Sagittarius Dwarf Galaxy has been loaded up with dark…

11 years ago