Earth with city lights (artist's impression)
The stars and galaxies we see in the night sky represent only one sixth of the total matter in the Universe. The remainder is a mysterious component - dark matter - that neither emits nor reflects light. So, for astronomers, the challenge of mapping the Universe has been similar to mapping a continent from just the lights of the cities.
About the Video
|Release date:||7 January 2007, 19:30|
About the Object
|Type:||• 3D Animations Videos|
• Cosmology Images/Videos