admin Activity PersonalMentionsFavoritesFriendsGroups Profile View Friends 0 Friendships Groups 1 Memberships Courses My Courses Activity — Everything — Updates New Groups Group Memberships Group Updates Started Course New Lessons New Topics Lesson Complete Topic Complete Course Complete Lesson Comment Course Comment Quiz Completed admin added the lesson Observing the Sky: The Birth of Astronomy to the course Astronomy 1 year, 9 months ago admin added the lesson Earth, Moon, and Sky to the course Astronomy 1 year, 9 months ago admin added the lesson Science and the Universe: A Brief Tour to the course Astronomy 1 year, 10 months ago admin added the lesson Orbits and Gravity to the course Astronomy 1 year, 10 months ago John Doe started taking the course Astronomy 5 years ago John Doe joined the group Study group for Astronomy 5 years ago Jane Doe started taking the course Astronomy 5 years ago Jane Doe joined the group Study group for Astronomy 5 years ago
