Apollo 11 was the spaceflight that first landed humans on the Moon. It was one of the most-awaited occasion for all the NASA’s team and…
NASA has confirmed that the UARS (Upper Atmosphere Research Satellite) has crashed on Earth. NASA’s 6.5-ton Upper Atmosphere Research Satellite, or UARS , plummeted through Earth’s atmosphere over the Pacific Ocean sometime between 11:23 p.m. EDT (0323 September 24 GMT) on Friday, and 1:09 a.m. EDT (0509 GMT) Saturday, agency officials said. It was the largest NASA satellite to fall uncontrolled from space in 32 years. The doomed satellite plummeted through Earth’s atmosphere hours later than scientists had originally predicted. Acording to Nasa the satellite was passing eastward over Canada and Africa as well as vast portions of the Pacific, Atlantic and Indian oceans during that period.
The precise re-entry time and location are not yet known with certainty. NASA estimates that roughly 26 large pieces of the spacecraft will survive the re-entry process and will be strewn over a 500-mile (804-kilometer) path. The largest piece of debris is expected to be approximately 300 pounds (136 kg), but it is still unconfirmed whether debris fell over land or water. According to William Ailor, director of the Center for Orbital and Reentry Debris Studies at The Aerospace Corporation in California this is not an uncommon event, space debris is re-entering out atmosphere all the time. They are trying to learn everything that can about orbital and re-entry debris so that they can protect space missions and human interests on the ground.
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