88. BGM#088

Using the sun, we established. a solar y… There's evidence that we were counting t… If you set up a distant landmark. and li… Xbec There are 3 basic cycles in astronomy. i… The third one is how long it takes the e… And right when it rises. behind that lan… Then, when the sun crosses the horizon t… When we look up at the sky, all the star… 113. CREDIT A00001BD But even when the sun went down, the sta… And all the stars appear to move around… And used the positions of sunrise and su… 3. BGM#003 But the regular motion of the heavens. a…