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Questions and Answers
سبب حدوث الليل والنهار
ماذا يستخدم علماء الفلك لحساب طول الشهر القمري ؟
عدد الكواكب الداخلية في المجموعة الشمسية ثمانية
False
عدد المجرات في الكل يقدر بـ
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المقراب الفضائي الذي تمكن من التقاط صور واضحة للأجرام السماوية هو
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يتم تحديد بداية التقويم القمري الإسلامي بآخر طور للقمر
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الاسطرلاب من الأدوات الحديثة لاكتشاف الفضاء
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Study Notes
Astronomy and Calendar Systems
- Day and night occur due to the Earth's rotation on its axis.
- To calculate the length of a lunar month, astronomers use lunar phases and observations of the Moon's orbit around the Earth.
- There are eight inner planets in our solar system.
- The estimated number of galaxies in the universe is unknown, but it's believed to be extremely large.
Space Exploration and Technology
- The Hubble Space Telescope is capable of capturing clear images of celestial objects.
- Astronomers use modern tools like the astrolabe to explore and study the universe.
Islamic Lunar Calendar
- The Islamic lunar calendar begins with the sighting of the new crescent moon.
Studying That Suits You
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Description
Test your knowledge on the Earth's movements with this quiz! From the Earth's orbit around the sun to its rotation on its axis, and the moon's orbit around the Earth, this quiz will challenge your understanding of these celestial movements. You'll also be tested on the concept of the Earth's axial tilt and how it affects our seasons. See how much you know about our planet's movements and take the quiz now!
