![The front cover image comes from an edition of the Cambridge Encyclopedia of Astronomy, and was originally drawn with black lines on a white background.[13] It presents successive pulses from the first pulsardiscovered, PSR B1919+21—often referred to in the context of this album by its older name, CP 1919.[13]](http://24.media.tumblr.com/tumblr_lrs3tcHIXk1qa53j0o1_500.jpg)
The front cover image comes from an edition of the Cambridge Encyclopedia of Astronomy, and was originally drawn with black lines on a white background.[13] It presents successive pulses from the first pulsardiscovered, PSR B1919+21—often referred to in the context of this album by its older name, CP 1919.[13]
