STEREO IN QUADRATURE

Дата публикации: 22-01-2009 00:00:00

January 24, 2009 marks the point at which the two STEREO spacecraft reach 90 degrees separation, a condition known as quadrature. Since the two STEREO spacecraft went into orbit around the Sun at the beginning of 2007, they have been slowly drifting apart from Earth, and from each other. Ahead has been drifting at an average rate of 22 degrees per year in front of Earth, and Behind has been drifting at the same rate in the opposite direction. After two years in solar orbit, the two spacecraft have finally reached quadrature.

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Классификация: Космос. Схожих патентов: 0. Схожих новостей: 10. Тональность: 0. Информативность: 7.13. Источник: stereo.gsfc.nasa.gov.