
(جهان هستی، کیهان)
گیتی
all that exists in the physical world, such as space, planets, galaxies, etc.

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

کهکشان
a large number of star systems bound together by gravitational force

(اخترشناسی)
علم نجوم
a branch of science that studies space, planets, etc.
Astronomy is the scientific study of celestial bodies like stars, planets, moons, and galaxies, as well as the phenomena that occur beyond Earth's atmosphere. It involves observing the universe to understand its origins, structure, and evolution. Astronomy not only helps us learn about the cosmos but also provides insights into the fundamental laws of physics and the potential for life beyond Earth.

راه شیری
a pale band of light seen in the sky at night that contains the solar system and billions of other stars
اطلاعات دستوری:

(سامانه خورشیدی)
منظومه شمسی
the sun and the group of planets orbiting around it, including the earth
اطلاعات دستوری:

هوافضا
the earth's atmosphere and the space beyond it

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

(اخترشناس، ستارهشناس)
منجم
a scientist who studies or observes planets, stars, and other happenings in the universe

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

(شمسی)
خورشیدی
related to the sun

(مربوط به ماه)
قمری
relating to the moon

(بیگبنگ)
مهبانگ
the explosion that, according to most scientists, caused the existence of the universe
اطلاعات دستوری:

سیاهچاله
a place in the space with such high gravity that pulls in everything, even light
اطلاعات دستوری:

دنبالهدار
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

کیهانی
related to the universe and the vast space outside the earth

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

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

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

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

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

(به دور چیزی گشتن)
دور مدار چرخیدن
to move around a star, planet, or a large object in space
اطلاعات دستوری:

(دوران، گردش)
چرخش
the action of circular movement around a fixed point

فضانورد
someone who is trained to travel and work in space

(سفینه فضایی)
فضاپیما
a vehicle designed to travel in space

(عملیات پرواز (سفینه))
مأموریت
an operation carried out in space
اطلاعات دستوری:

پرتاب کردن (به فضا)
to send an object, such as a satellite, missile, etc., into space
اطلاعات دستوری:

(بشقابپرنده)
شیء ناشناس پرنده
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
اطلاعات دستوری:

سفر دریایی یا فضایی
a long journey taken on a ship or spacecraft

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

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