(نجم كوازاري)
كوازار
a highly energetic celestial object emitting powerful radiation from the center of a galaxy, often associated with a supermassive black hole
(منطقة كويبر)
حزام كويبر
a region beyond Neptune in the solar system containing icy objects like dwarf planets, asteroids, and comets
معلومات نحوية:
(غيمة أورت)
سحابة أورت
a distant, hypothetical region surrounding the solar system, thought to harbor icy bodies and comets
معلومات نحوية:
(كورونا)
هالة الشمس
the outer layer of the Sun's atmosphere, observable as a plasma halo during a solar eclipse
(المسار الشمسي)
المدار الشمسي
the apparent path that the Sun traces in the sky over the course of a year, which is also the plane of the Earth's orbit around the Sun
(البارالاكس)
الاختلاف البصري
the apparent displacement or difference in the apparent position of an object when viewed along two different lines of sight, often used in astronomy to measure the distance of nearby stars
(المستعر الأعظم)
سوبرنوفا
an exploding star that as a result is emitting a very large amount of light, more than the sun
معلومات نحوية:
(نجمة نابضة)
نبضة نجميّة
a highly magnetized, rotating neutron star that emits beams of electromagnetic radiation from its magnetic poles
(التروبوسفير)
الطبقة السفلى من الغلاف الجوي
the lowest layer of Earth's atmosphere, extending from the surface up to an average altitude of about 8-15 kilometers
(الطبقة الستراتوسفيرية)
الستراتوسفير
the atmospheric layer above the troposphere, where temperature generally increases with altitude and the ozone layer is situated
(الطبقة الوسطى)
الميزوسفير
the atmospheric layer above the stratosphere, where temperatures decrease with altitude and it extends up to the mesopause
(الثرموسفير)
طبقة الثيرموسفير
the atmospheric layer above the mesosphere, where temperatures increase with altitude and it extends to the exosphere
(الغلاف الأيوني)
الأيونوسفير
a layer in the upper atmosphere containing ions and free electrons, affecting radio communication and contributing to auroras
(الطبقة الخارجية)
الغلاف الخارجي
the outermost layer of Earth's atmosphere, transitioning to outer space, with extremely low gas densities
(مجال مغناطيسي)
مغناطيسية الأرض
the protective magnetic field region around a celestial body, shielding it from solar wind and charged particles
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