Cosmic Calendar: Birds

Archaeopteryx: Slab of stone with fossil bones and feather impressionsOn Carl Sagan’s Cosmic Calendar (illustrated as a comic strip here), which maps the entire history of our cosmos onto a single year, today represents the evolution of birds, 0.15 billion years ago.

2 Comments on “Cosmic Calendar: Birds

  1. Pingback: What to look forward to in December at HP | Humanistic Paganism

  2. Pingback: Cosmic Calendar Special | Humanistic Paganism

Comment