10. Calendars

Loading...
From the course by 亚利桑那大学
天文学:探索时间和空间
858 ratings
亚利桑那大学
858 ratings
From the lesson
Science and History
Science combines logic and evidence to increase our understanding of the natural world, including remote and inaccessible regions of space and time.

Meet the Instructors

  • Chris Impey
    Chris Impey
    Distinguished Professor
    Astronomy

Explore our Catalog

Join for free and get personalized recommendations, updates and offers.