آیلتس آکادمیک (باند 5 و پایین‌تر) - ستاره شناسی

a spacecraft with the purpose of cricling around a celectial obejct without landing on it

مامور مداری, ماهواره

the study of the movements of stars and planets that are thought to affect people and the world

علم نجوم

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

ماهواره فضایی

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

گیتی, جهان هستی، کیهان

a large number of star systems bound together by gravitational force

کهکشان

(astronomy) a shining point found in large numbers in the night sky

ستاره

a huge round object that moves in an orbit, around the sun or any other star

سیاره

the large, bright star in the sky that shines during the day and gives us light and heat

خورشید

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

منظومه شمسی, سامانه خورشیدی

the path an object in the space follows to move around a planet, star, etc.

مدار

a vehicle designed to travel in space

فضاپیما, سفینه فضایی

clothing used by astronauts while traveling in space

لباس فضانوردی

a means of transportation that frequently travels between two places

(اتوبوس، تاکسی و...) خطی

a spacecraft that moves up by the force of the gases produced when the fuel burns

موشک, راکت

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

کیهان

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

ناسا

the circular object going round the earth, visible mostly at night

ماه

a piece of equipment by which the far objects, particularly those in space, are made clearly visible

تلسکوپ

someone who is trained to travel and work in space

فضانورد

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

سیاه‌چاله

the distance that light travels in a year

سال نوری

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

راه شیری

the different types of gases that surround the earth or other planets

جو, اتمسفر

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

مه‌بانگ, بیگ‌بنگ