একাডেমিক IELTS (ব্যান্ড 5 এবং তার নিচে) - জ্যোতির্বিজ্ঞান

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

অরবিটার, উপগ্রহ

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

জ্যোতির্বিদ্যা

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

উপগ্রহ, মৌসম উপগ্রহ

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

ব্রহ্মাণ্ড

a large number of star systems bound together by gravitational force

গ্যালাক্সি

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

নক্ষত্র

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

গ্রহ, আকাশীয় বিশ্তাৰ

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

সূর্য

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

সূর্যব্যবস্থা, গ্রহ ব্যবস্থা

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

কক্ষপথ, পথ

a vehicle designed to travel in space

স্পেসক্রাফট, মহাকাশযান

clothing used by astronauts while traveling in space

স্পেসস্যুট, হাসপাতাল পোশাক

a means of transportation that frequently travels between two places

শাটল, পরিবহন

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

রকেট

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

কসমস, ব্রহ্মাণ্ড

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

নাসা, জাতীয় মহ航ক ও মহাকাশ প্রশাসন।

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

চাঁদ

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

টেলিস্কোপ

someone who is trained to travel and work in space

অ্যাস্ট্রোনট, কসমোনট

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

ব্ল্যাকহোল

the distance that light travels in a year

আলোর বছর

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

মহাকাশের মিল্কি ওয়ে, মিল্কিওয়ে গ্যালাক্সি

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

বায়ুমণ্ডল

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

বড় ব্যাংগ, বড় ব্যাংগ তত্ত্ব