قائمة كلمات المستوى C2 - Astronomy

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

حزام كويبر

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

كواسار

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

سحابة أورت

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

التاج, هالة الشمس

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

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

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

نباض نجمي

a unit of measurement equal to the average distance between the Earth and the Sun, approximately 149.6 million kilometers

وحدة فلكية, وحدة قياس فلكية

a unit of astronomical distance equivalent to about 3.26 light-years

بارسِك

a high-energy particle, mainly originating from outside the Solar System, that travels through space at nearly the speed of light

أشعة كونية, جسيمات كونية

(cosmology) the faint glow of radiation spreading through the universe, believed to be residual radiation from the Big Bang

خلفية الميكروويف الكونية

(cosmology) a theory proposing that the solar system formed from a rotating nebula of gas and dust about 4.6 billion years ago

فرضية السديم, نظرية السديم

(cosmology) a measure of the rate at which the universe is expanding, determined from the observation of distant galaxies' recession velocities

ثابت هابل, ثابت هابل

the matter and radiation that exists in the space between stars within a galaxy

الوسط بين النجوم, الوسط بين النجوم والمجرات

the space surrounding the Sun dominated by solar wind

الهليوسفير

very small particles originally derived from stars, serving as raw material for forming planets, and existing between galaxies, stars, and other celestial bodies

غبار كوني, غبار نجمي

a small celestial body that becomes visible as a meteor upon entrance into the atmosphere of the earth

مذنب

(cosmology) the rapid expansion of the universe following the Big Bang

تضخم, Expansion سريع

a disruption in earth's magnetic field caused by solar activity, resulting in variations that can impact electronic systems and communications on earth

عاصفة مغناطيسية, عاصفة جيو مغناطيسية

the colored lights, mainly green and red, in the sky seen primarily near the southern magnetic pole

الشفق الأسترالي, أضواء الجنوب

the colored lights, mainly green and red, in the sky seen primarily near the northern magnetic pole

الشفق القطبي

associated with the phenomena, processes, or theories related to the origin and formation of the universe or celestial bodies

كوسموجيني, كوسموجرامي

study of celestial objects outside the Milky Way galaxy

علم الفلك خارج المجرة, دراسة الأجرام السماوية خارج مجرة درب التبانة

relating to or resembling a nebula, which is a cloud of gas and dust in outer space

سحابي, مرتبط بسحابة فضائية

relating to the stars or constellations, especially in terms of their positions relative to Earth

نجمي, سماوي