| This one after the separation of the second stage should go in circular circumterrestrial orbit using its principal engine. |
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| It is found that an impact by a Mars-sized body usually results in formation of a circumterrestrial disk rather than direct formation of a clump. |
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| The Salyut and Mir orbital stations were part of a unique program for a stage-by-stage building of human presence in circumterrestrial space. |
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| We investigate the evolution of a circumterrestrial disk of debris generated by a giant impact on the Earth. |
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| The present study examines the processes that occur in circumterrestrial space during magnetic perturbations by creating new algorithms and techniques for recognition, analysis, and interpretation of data. |
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| Space activities worldwide are leading to an increase in the man-made pollution of circumterrestrial space, consequently impairing the safety of space flights. |
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| This deliberate act is the largest debris-generating event on record, and its consequences will adversely affect circumterrestrial space for many years. |
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| Moon was formed by accretion from a circumterrestrial disk of debris generated by the glancing angle impact of the young Earth by a Mars size planetary embryo at about 4.5 Ga at a distance of 15,000 km. |
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| An important factor in reducing the danger of man-made pollution is to establish an inventory of the objects polluting circumterrestrial space, especially within the geostationary orbit. |
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