Galactic Shell Structure

Astronomers Find the Hollowed-Out Shell of a Dwarf Galaxy that Collided With the Milky Way Billions of Years Ago

In 2005 astronomers found a dense grouping of stars in the Virgo constellation. It looked like a star cluster, except…

4 years ago

Deep Blue Astrophotography – Imaging Galactic Shells

[/caption] As a professional astronomy journalist, I read a lot of science papers. It hasn't been all that long ago…

13 years ago