المفردات الضرورية للاختبار TOEFL - فضاء

all that exists in the physical world, such as space, planets, galaxies, etc.

the universe, particularly when it is thought of as a systematic whole

كون

a large number of star systems bound together by gravitational force

مجرة فضائية

a branch of science that studies space, planets, etc.

علم الفلك

a pale band of light seen in the sky at night that contains the solar system and billions of other stars

درب التبانة

the sun and the group of planets orbiting around it, including the earth

النظام الشمسي

the earth's atmosphere and the space beyond it

الفضاء الجوي

(physics) the universal force of attraction between any pair of objects with mass

جاذبية الأرض

a scientist who studies or observes planets, stars, and other happenings in the universe

عالم الفلك

a specific group of stars that form a pattern and have a name related to their shape

كوكبة

related to the sun

شمسي

relating to the moon

قمري

the explosion that, according to most scientists, caused the existence of the universe

.الانفجار العظيم

a place in the space with such high gravity that pulls in everything, even light

الثقب الأسود

an object in space that is a mass of ice and dust and when it nears the sun it starts illuminating in the shape of a tail

مذنب (علم الفلك)

related to the universe and the vast space outside the earth

كوني

a piece of rock coming from outer space that passes through the Earth's atmosphere, producing light

نيزك

a piece of rock or metal from space that has hit the surface of the earth

رجم

a period during which the sun or the moon is shadowed by a dark circle

كسوف

a creature that is believed to exist in other worlds or planets

كائن خارج كوكب الأرض

an object sent into space to travel around the earth and send or receive information

القمر الصناعي الفضائي

to move around a star, planet, or a large object in space

دار

the action of circular movement around a fixed point

تناوب

someone who is trained to travel and work in space

رائد فضاء

a vehicle designed to travel in space

مركبة فضائية

a jet engine with liquid or solid fuel that is propelled by a burning gas stream

صاروخ

an operation carried out in space

عملية الفضاء

to send an object, such as a satellite, missile, etc., into space

إطلاق (صاروخ، الخ.)

the act of counting numbers backwards to zero before the launch of a missile or spacecraft

العد التنازلي

a mysterious object that some people claim to have seen flying around in the sky and assume that it is a spaceship from another world

وسيلة طيران غير معرفة

a long journey taken on a ship or spacecraft

رحلة

a US government agency responsible for space travel and the study of space

ناسا

the distance that a beam of light travels in a year, equal to 9.46 trillion kilometers

سنة ضوئية

a narrow beam of light, heat, or other form of energy

شعاع