The chance that even one person will be struck by a piece of UARS
debris is one in 3,200, NASA says.
is defined by sleep fragmentation without episodes of apnea either with or without mild gas exchange abnormalities.
The orbit of UARS
is inclined about 57 [degrees] to the equator, which allows it to see the atmosphere within 10 [degrees] of the poles.
However, if UARS
re-entered many minutes after 04:16, it is possible debris could have reached the American landmass.
Nonsurgical treatments for OSA and UARS
include behavior modification, pharmacologic therapy, and the use of mechanical devices such as nasal CPAP and intraoral dental devices.
They say ROSAT's pieces are almost three times heavier than the biggest chunk of UARS
US blogger Perez Hilton tweeted "Breaking News: @ladygaga's next dress will be made with the debris of UARS
Although there are some patients who can be diagnosed with OSA or UARS
on the basis of history alone, most patients present more of a diagnostic dilemma.
But the UARS
information shows that by June and July, much of the chlorine has switched from inactive forms into the more dangerous chlorine monoxide molecule, which can destroy ozone.
Agency officials had projected that UARS
would fall to Earth sometime this afternoon, but the satellite's unpredictable tumbling, combined with more stable solar activity, slowed its rate of descent today.
NASA's Upper Atmosphere Research Satellite, or UARS
, ended its productive scientific life almost six years ago.
People hadn't anticipated things like that," says UARS
chief scientist Carl A.