UARS is down, but NASA doesn't know where

UPDATE: a later statement from NASA below says N. Pacific off the U.S. West coast, teleconference scheduled. See below. NASA confirms that the Upper Atmosphere Research Satellite (UARS) has entered…

It's all UARS

UPDATE from NASA 11:PM Fri: NASA says it continues to wait for final confirmation of re-entry. “If debris fell on land (and that’s still a BIG if), Canada is most…

UV low during recent solar minimum

From the American Geophysical Union: Ultraviolet solar irradiance was low during recent solar minimum Solar irradiance, which varies with the 11-year solar cycle and on longer time scales, can affect…