
Space & PhysicsMay 21, 2013
The Dark Side of the Milky Way
Dark matter is not just a puzzle. It is a solution

The Dark Side of the Milky Way
Dark matter is not just a puzzle. It is a solution

The Dark Side of the Milky Way
Dark matter is not just a puzzle. It is a solution

Giant Molecular-Cloud Complexes in the Galaxy
Consisting almost entirely of hydrogen molecules, they are the most massive objects in the galaxy. They also give rise to most of the galaxy's stars. A decade ago their presence was unknown