Space & PhysicsMay 21, 2013
The Dark Side of the Milky Way
Dark matter is not just a puzzle. It is a solution
Stories by Leo Blitz
Space & PhysicsOctober 1, 2011
The Dark Side of the Milky Way
Dark matter is not just a puzzle. It is a solution
Space & PhysicsApril 1, 1982
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