开始时间: 04/22/2022 持续时间: 未知
所在平台: Khan Academy 大学或机构: Kehan Academy(可汗学院) |
课程主页: http://www.khanacademy.org/science/cosmology-and-astronomy
课程评论:没有评论
Videos attempting to grasp a little bit about our Universe (many of the topics associated with "Big History")
Videos attempting to grasp a little bit about our Universe (many of the topics associated with "Big History")