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The terrestrial bacteria that have been sent into space and are now returned pose a threat to the existence of life on Earth, and measures must be taken to contain them, scientists say Russian.
A Russian experiment called "Biorisk" revealed that various microorganisms of the Earth could survive under the harsh space conditions on the surface of the International Space Station (ISS). It was carried out from January 2005 on the Russian segment of the ISS and allowed to observe 68 different organisms, including bacteria, insects, vertebrate animals and higher plants, used as subjects of & dquo;
On their return to Earth, the Russian report, prepared for the meeting of the International Committee on Space Research in the United States, in July
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] Crustacean eggs and African rifle caviar also survived in outer space for 2.5 years, and the embryos were reanimated after returning to Earth, he adds
] "Living organisms are able to survive in the space. In the future, the arrival of foreign substances from other planets to the Earth could be possible, as well as to the future. other planets of the Earth, "says the report, quoted by R IA-Novosti "In addition, the dan ger is posed by terrestrial micro-organisms that have returned from space after visiting another planet and have transformed themselves in an unknown way into its atmosphere," adds there.
According to the document, Russian scientists will use the result of their research to develop measures to protect the Earth from this threat.
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The Discoveries of the 'Biorisk' Experience & # 39; "are not only of great scientific interest, from the practical point of view for the justification of the planetary quarantine strategy in future interplanetary flights," the report states
The principle of "Planetary Defense", to prevent contamination of the Earth by foreign agencies and vice versa, is used by international space agencies during all interplanetary missions. The Space Research Committee, based in Paris, has been responsible for planetary defense since 1959.
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