How dark matter shapes our galaxy

Theoretical Physicist Professor Jim Al-Khalili finds out how invisible dark matter has sculpted the Milky Way.

11 January 2015

8 minutes

This clip is from

The Sky at Night—The Billion Pixel Camera

Starguide: January 2015
Duration: 01:25

Strange Spirals in the Sky—Space Mysteries: The Sky at Night Meets Curious Cases
Duration: 03:30
Doughnut Universe?—Space Mysteries: The Sky at Night Meets Curious Cases
Duration: 01:11
Space Penguins!—Space Mysteries: The Sky at Night Meets Curious Cases
Duration: 00:57
Maggie's Favourite Space Sound—Space Mysteries: The Sky at Night Meets Curious Cases
Duration: 01:14