posted on Oct, 10 2011 @ 01:18 AM
Of course, the fun reality is that it's not really Orion or the sky that's spinning - it's you
(and the Earth you're sitting on).
Imagine you go to a party in someone's backyard at 9pm. It's a great one that goes on 'til 3am. In those 6 hours the Earth has rotated 90
degrees. Maybe you stayed sober, but your body has tipped all the way over on its side (along with the yard, the house, the town, etc.) since the
So really, Orion didn't turn on its side, you
But wait! There's more...
It is now October, and you just saw Orion rising in the east (on its side) at around midnight.
If you go out at the same time of night in January, you will see Orion standing vertically in the south (I notice your in Massachusetts), just as
though it would be if you had watched it rise for 6 hours. That is because 3 months will have passed, and in that time the Earth has moved 90 degrees
around the Sun. Each night, beween now and then, you will see Orion (and all the other constellations) rise just a little bit earlier than it did the
There are 12 months in a year and 24 hours in a day. Thus, for every two weeks that pass, your favorite star or constellation will rise ~1 hour
earlier. That is why, at the same time of night, you see different constellations in the sky during different times of the year.