SpaceX and Chinese rocket debris indicate a growing problem – BollyInside


History remembers October 4, 1957 far more than January 4, 1958. On October 4, 1957, the Soviet Union launched the world’s first satellite, Sputnik, an achievement that marked the beginning of the space age.

There was no such hyperventilation, but three months after him, the sun fell from the sky as a small 84 kg (184 lb.) beachball-sized satellite was slowly losing altitude due to atmospheric drag. and burned up like a small satellite. Launch Meteor in the heat of re-entry. As a result, the world’s first satellite became the world’s first space junk that fell. It certainly shouldn’t have been the last.

Since 1957, a vast swath of space junk has accumulated around the Earth. Failed satellites, used rocket parts, bolts, junk, paint flakes, etc. According to the European Space Agency (ESA), there are at least 36,500 pieces of space debris larger than 10 cm (4 inches) in diameter. 1 million objects ranging from 1 cm to 10 cm (0.4 inch to 4 inch). A whopping 130 million, ranging in size from 1 mm (0.04 inch) to 1 cm (0.4 inch). All this cosmic debris poses a collision hazard for manned and unmanned spacecraft, as well as threatening her 7.7 billion people on the planet below.

Just last weekend on July 30, his 25-ton core stage of China’s Long March 5B rocket fell out of control from the sky. Up to 40% of the giant boosters survived the heat of re-entry, and debris rained down on Borneo despite Chinese assurances that most of the metal consumed posed little or no threat to population centers. is. “No casualties or property damage was reported, but the debris was near the village, hundreds of yards away in either direction,” said Jonathan McDowell, an astrophysicist at the Harvard-Smithsonian Center for Astrophysics. It could be a different story.

But China isn’t the only threat these days. A piece of a 10-foot-tall monolith that fell on an Australian farm last month has been identified as belonging to SpaceX. One of the plaques in some of the scraps examined by Brad Tucker, an astrophysicist at the Australian National University, had a serial number identifying its provenance.

Most national space programs and private aerospace companies design their rockets to carry enough maneuvering fuel to land at planned locations in the oceans, or on vast uninhabited grasslands and deserts. This incident was particularly worrying. The Long March 5B has no such guidance system.

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  • SpaceX and Chinese rocket debris indicate a growing problem
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