Why is Orion lying down? How The Hunter taught me how the sky moves

I thought I knew Orion. Three stars in a row for the Belt, Betelgeuse above, Rigel below: it's one of the constellations I have long been able to identify with the least thought, along with Cassiopeia and the Plough/the Big Dipper.But one fall evening long ago, when I was learning the night sky, I was looking at three bright stars rising in the east and spent an embarrassingly long time wondering whether they really were Orion's Belt. They were at the wrong angle. The rest of Orion followed them