Share this postTCA #20 - Bend It Like Dark Matter!; + 2 more [Feb. 24, 2022 (21st-delayed), Paid Post]classroomastronomer.substack.comCopy linkFacebookEmailNoteOtherTCA #20 - Bend It Like Dark Matter!; + 2 more [Feb. 24, 2022 (21st-delayed), Paid Post]Eyeballing Stellar Spectral Types, Astronomy Cafés for Students and Teachers, Jelly Prisms for Gravitational Lensing DemonstrationsFeb 24, 2022∙ PaidShare this postTCA #20 - Bend It Like Dark Matter!; + 2 more [Feb. 24, 2022 (21st-delayed), Paid Post]classroomastronomer.substack.comCopy linkFacebookEmailNoteOtherShareThis post is for paid subscribersAlready a paid subscriber? Sign in