The gas that flows down these lines, like traffic along a cosmic highway, does interact with light, but it is still tricky to image ... on the standard model of cosmology, the Lambda Cold Dark ...

The Sky at Night Is Cosmology in Crisis? Your Images: February 2019 Some of our favourites posted on the Sky at Night Flickr page over the past couple of months. Thanks for sharing!

In the history of science few developments have been more important than the advent of the new heliocentric cosmology in the sixteenth and seventeenth centuries. Whereas most of the ancient Greeks ...