Satellite Falling and satellite dish News : A defunct NASA science satellite is expected to fall back to Earth on Friday, showering debris somewhere on the planet although scientists cannot predict exactly where, officials said. this six ton or 13.000 pounds And 20-year-old satellite from NASA is expected to crash back to earth on Sept. 23, we are so worry about this , but the problem is that the agency still doe not know where it will fall, it could be at your door
"As of Sept. 16, 2011, the orbit of UARS was 140 mi by 155 mi (225 km by 250 km). Re-entry is expected Sept. 23, plus or minus a day. The re-entry of UARS is advancing because of a sharp increase in solar activity since the beginning of this week," NASA said in a brief update on its Web site. The 6.5-ton Upper Atmosphere Research Satellite, or UARS, was carried into orbit during a space shuttle mission in 1991. It operated for 14 years, collecting measurements of ozone and other chemicals in the atmosphere. Satellite Falling and satellite dish
Since completing its mission in 2005, UARS has been slowly losing altitude, tugged by Earth's gravity. On Friday, the 35-foot-long, 15-foot diameter (10.6-metres long, 4.5-metres diameter) satellite is expected to plunge into the atmosphere, NASA reported on its website.
While most of the spacecraft will be incinerated, scientists expect up to 26 pieces, with a combined mass of about 500 kg to survive the fiery re-entry and fall down somewhere on Earth.
The satellite's orbit passes over most of the planet, from as far north as northern Canada to the southern part of South America.
NASA said the chance a piece of UARS debris will strike a person is about one in 3,200. The debris will mostly likely fall into an ocean or land in an uninhabited region of Earth.
Satellites as large as UARS re-enter Earth's atmosphere about once a year.
NASA said there have been no reports of any deaths or injuries to people from falling debris.
The largest chunk of wreckage from UARS is expected to be about 151 kg, says Nicholas Johnson, chief scientist of NASA's Orbital Debris Program office at the Johnson Space Center in Houston.
(news for Satellite Falling and satellite dish ) . As of Sunday, UARS was in a 215-km by 240-km high orbit around Earth. Re-entry is expected some time on Friday, although it could happen as early as Thursday or as late as Saturday.
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