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Интеллектуальная Система Тематического Исследования НАукометрических данных |
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Soft X-ray emission, photons with energies less than 1 keV, from dusty comets having retrograde orbital motion in the inner heliosphere, may serve as indicators of interplanetary dust, due to generation of a hot plasma in collisions between cometary and interplanetary dust particles at velocities more than 70 km/s.