Dark Matter (Why is it dark? Does it Matter?) – Dr. Steve Barrett Post author:Webmaster Post published:6th April 2021 Post category:Learning Zone Lockdown Lectures – On the 2nd March 2021, our good friend Dr. Steve Barrett gave a talk to the Causeway U3A group and has kindly shared his lecture slides and video with us! Download the slides here! Watch the video here! You Might Also Like Noctilucent Cloud Season 22nd July 2020 Comet C/2020 F3 Neowise by Martin McKenna 2nd September 2020 Amateur Astronomy (Getting Started) – by Stevie Beasant 8th November 2020