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University of Arizona

Knowing the Universe: History and Philosophy of Astronomy

This is an introductory level course about the history and philosophy of astronomy, the oldest science. We'll look at how humans learned to ask questions about the universe, and even before the invention of modern instruments like the telescope, learned some amazing things about their place in nature. We will start with prehistoric cultures who kept accurate calendars and move through the time of the Greek philosophers who laid down the rudiments of logic and mathematics and the modern scientific method. We'll then examine the revolutions of Copernicus, Galileo, and Newton that redefined our place in the universe. We will then learn about the revolutions in physics in the early 20th century that redefined our ideas of space and time, mass and energy. Finally, we will discuss how modern cosmology has shown us that we live in an ancient universe (14 billion years old), in one galaxy in a universe of hundreds of billions of galaxies. At the end, will ask questions that don't necessarily have answers. What came before the Big Bang? Is there anything outside our universe? What is reality? We'll finish by looking at the role of life in the universe and ask whether the earth is the only place with biology on it.

状态:Life Sciences
状态:Physics
初级课程小时

精选评论

LM

5.0评论日期:Sep 9, 2025

Excellent delivery, Professor Impey, you've turned this science into an artform. Thank you for your work.

XZ

5.0评论日期:Mar 12, 2024

popularized science, made it so easy for everyone to learn, and motivated to learn more...

DG

5.0评论日期:Jan 13, 2023

Professor Impey is outstanding in teaching this course, as he displays his generosity to share his amazing knowledge of the astronomy field. Thank you so much for such an enriching experience.

LK

5.0评论日期:Mar 21, 2025

An excellent course with important information clearly explained.

所有审阅

显示:17/17

Carol Botha
5.0
评论日期:Jan 10, 2023
David Goldstein
5.0
评论日期:Jan 14, 2023
Xin Zhang
5.0
评论日期:Mar 13, 2024
Ragnar Lodbrock
5.0
评论日期:Mar 4, 2023
Colleen Moroney
5.0
评论日期:Jan 11, 2023
Dimitris Syropoulos
5.0
评论日期:Mar 7, 2023
larry Mthimkhulu
5.0
评论日期:Sep 10, 2025
Andres Traslavina
5.0
评论日期:Aug 18, 2024
linda kucan
5.0
评论日期:Mar 22, 2025
Susan Murbach
5.0
评论日期:Feb 3, 2023
Gordon Rauch
5.0
评论日期:Mar 2, 2024
Patrick P. Verhoeven
5.0
评论日期:Oct 24, 2023
Reclus Philippe
5.0
评论日期:Mar 28, 2024
Libero Prentzas
5.0
评论日期:Dec 1, 2025
Jim Baldwin
4.0
评论日期:Mar 1, 2023
Karen Martin
4.0
评论日期:Dec 12, 2023
Ridel Morales
3.0
评论日期:Apr 8, 2025