M53- Which way is up in space? - Deep Sky Videos
- Episode aired Apr 9, 2012
- 8m
Up and down are meaningful on Earth but make little sense in space. But what about North and south? How do astronomers determine direction?Up and down are meaningful on Earth but make little sense in space. But what about North and south? How do astronomers determine direction?Up and down are meaningful on Earth but make little sense in space. But what about North and south? How do astronomers determine direction?