Galaxy
4 articles-
The Young Milky Way Collided With a Dwarf Galaxy
Reprinted with permission from Quanta’s Abstractions blog. Nautilus Members enjoy an ad-free experience. Log in or Join now . As the Milky Way was growing, taking shape, and minding its own business around 10 billion years ago, it suffered a massive head-on collision with another, smaller galaxy. That cosmic cataclysm changed the Milky Way’s structure forever, […] -
There May Be Two Trillion Other Galaxies
Every point in the sky contains part of a galaxy. -
How to Map a Galaxy When You’re Right in the Middle of It
Why the Milky Way looks like it spirals. -
Seeing the Galactic Forest for the Trees
To solve a mystery, scientists often zoom in on it as close as they can, break the puzzling system down to its components, and analyze it piece by piece. Sometimes, comprehending a system requires just the opposite: pulling back to see the bigger picture. Sometimes that bigger picture is bigger than our galaxy, in which […]