Questenaتدريب يوضح لك ما ينبغي مراجعته لاحقًا
السؤال 78

What type of satellite appears to stay in one position in the sky?

  1. HEO
  2. Geostationaryالإجابة الصحيحة
  3. Geomagnetic
  4. LEO

الشرح

A geostationary satellite orbits above the equator with a period equal to one rotation of the Earth, so from the ground it appears to hang at a fixed point in the sky and a station can use a fixed antenna. Low Earth and highly elliptical orbit satellites move across the sky and must be tracked.

تابع هذا الاختبار

بدء التدريب