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الأكاديمي IELTS (النطاق 8 وما فوق) - Astronomy

هنا، سوف تتعلم بعض الكلمات الإنجليزية المتعلقة بعلم الفلك والضرورية لامتحان IELTS الأكاديمي.

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Vocabulary for Academic IELTS (8)
quasar

a highly energetic celestial object emitting powerful radiation from the center of a galaxy, often associated with a supermassive black hole

كواسار

كواسار

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kuiper belt

a region beyond Neptune in the solar system containing icy objects like dwarf planets, asteroids, and comets

حزام كويبر

حزام كويبر

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oort cloud

a distant, hypothetical region surrounding the solar system, thought to harbor icy bodies and comets

سحابة أورت

سحابة أورت

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corona

the outer layer of the Sun's atmosphere, observable as a plasma halo during a solar eclipse

التاج

التاج

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ecliptic

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

مسار الكسوف

مسار الكسوف

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parallax

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

التحرك النسبي

التحرك النسبي

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supernova

an exploding star that as a result is emitting a very large amount of light, more than the sun

اSupernova

اSupernova

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pulsar

a highly magnetized, rotating neutron star that emits beams of electromagnetic radiation from its magnetic poles

نباض نجمي

نباض نجمي

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troposphere

the lowest layer of Earth's atmosphere, extending from the surface up to an average altitude of about 8-15 kilometers

التروبوسفير

التروبوسفير

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stratosphere

the atmospheric layer above the troposphere, where temperature generally increases with altitude and the ozone layer is situated

الستراتوسفير

الستراتوسفير

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mesosphere

the atmospheric layer above the stratosphere, where temperatures decrease with altitude and it extends up to the mesopause

الميزوسفير

الميزوسفير

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thermosphere

the atmospheric layer above the mesosphere, where temperatures increase with altitude and it extends to the exosphere

الثرموسفير

الثرموسفير

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ionosphere

a layer in the upper atmosphere containing ions and free electrons, affecting radio communication and contributing to auroras

الأيونوسفير

الأيونوسفير

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exosphere

the outermost layer of Earth's atmosphere, transitioning to outer space, with extremely low gas densities

الإكسوسفير

الإكسوسفير

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magnetosphere

the protective magnetic field region around a celestial body, shielding it from solar wind and charged particles

المغنطيسية

المغنطيسية

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