Retrograde Motion Posted byOrdered UniverseSeptember 27, 2018September 27, 2018Posted inWhat we have been up to...Tags:Ordered Universe, Retrograde Motion, Seb Falk There are lots of explanations of retrograde motion available – but not so many with sandwiches. A little treat from our Dublin meeting – Seb Falk expelling retrograde motion at lunch…. Share this:TwitterFacebookLike this:Like Loading...