DOUBLE FLYBY ALERT:  Space shuttle Atlantis undocked from the International Space Station (ISS) this morning at 4:53 am EST.  Their separation sets the stage for double flybys of many towns and cities on Wednesday evening, Nov. 25th, when Atlantis and the ISS will soar through the night sky side by side—a fantastic sight. Atlantis is not scheduled to land until Friday morning, Nov. 27th, so the double apparitions will continue on Thursday, Nov. 26th, Thanksgiving in the United States.  Check the Simple Satellite Tracker for flybys: http://spaceweather.com/flybys . We should look to the WNW at around 642pm.  The flyby will only last a couple of minutes for our viewing pleasure.  Look roughly 62 degrees above the horizon…...