TCA #14 - Things You Can Teach at Night with Your Students—Three Planets, and a Comet; + 9 more [Dec. 1, 2021, Paid Post]

TCA goes to 30 issues!; Eclipse Photo; Sky Lessons; IAU-Shaw--Constellations, Gravity, Tactile Galaxies, more; RAP--Gravitational Waves, Wiki Articles, Star Test; Black Hole Vid; 50% Off Holidays Sale