다음 채널에서 시청 가능: Prime Video
시즌 1, 에피소드 2: The naked eye is a powerful instrument - if you know how to use it. Learn the best times and conditions for observing, how to identify the positions and magnitudes of stars and planets, how the sky changes over the course of a night, how to use astronomical maps such as a planisphere, and more.
2020년 6월 1일 · 33분