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ACT Science - Αστρονομία και Αεροδιαστημική Επιστήμη

Εδώ θα μάθετε μερικές αγγλικές λέξεις που σχετίζονται με την αστρονομία και την αεροδιαστημική επιστήμη, όπως "rover", "probe", "flare" κ.λπ. που θα σας βοηθήσουν να κάνετε ACTs σας.

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ACT Vocabulary for Science
astronomer

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

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astrophysicist

a scientist who studies the physical properties and phenomena of celestial objects and the universe as a whole

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planetarium

a building with a dome in which moving images of planets, starts, and constellations are projected for educational or entertainment purposes

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observatory

a building where scientists observe stars, meteors, the weather, etc. using equipment such as telescope

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asteroid

any of the rocky bodies orbiting the sun, ranging greatly in diameter, also found in large numbers between Jupiter and Mars

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meteorite

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

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to orbit

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

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supernova

an exploding star that as a result is emitting a very large amount of light, more than the sun

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constellation

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

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comet

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

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white dwarf

a small, dense, and faint stellar remnant that is left after a medium-sized star exhausts the nuclear fuel in its core and undergoes gravitational collapse

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exoplanet

a planet that is outside the solar system

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asteroid belt

a region in the solar system located between the orbits of Mars and Jupiter, populated by numerous small celestial bodies called asteroids

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ablation

the process by which the surface of an object, such as a comet or an asteroid, erodes or vaporizes due to the effects of solar radiation and other environmental factors

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corona

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

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flare

a sudden, brief burst of increased brightness observed from the sun's surface, usually accompanied by a burst of energy and radiation

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planetary

related to or characteristic of planets or the solar system

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crater

the round top of a volcano

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solar mass

a unit of mass used in astronomy, defined as the mass of the Sun

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extraterrestrial

relating to or originating from outside the Earth or its atmosphere

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photosphere

the visible surface of a star, including the Sun, where energy is emitted as light and other forms of electromagnetic radiation

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to eclipse

to overshadow another astrological body

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interstellar

situated or occurring between stars or within the space that exists between stars

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Nebula

a glowing cloud of gas and dust in outer space, often the result of a star explosion or formation

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aurora

a natural light display in the Earth's polar regions, caused by the collision of charged particles from the sun with atoms in the Earth's atmosphere

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dwarf planet

a celestial body that orbits the Sun and has sufficient mass for its gravity to pull it into a nearly spherical shape

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celestial

related to or occurring in the sky or outer space

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probe

an unmanned spacecraft used to gather information from space and send it back

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spacecraft

a vehicle designed to travel in space

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to launch

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

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launch pad

a designated area at a spaceport or rocket launch site where rockets or spacecraft are positioned and prepared for liftoff

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rover

a robotic vehicle designed to move across the surface of a celestial body to conduct scientific experiments and gather data

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revolution

the motion of one celestial body around another in a fixed path or orbi

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aeronautics

the science and practice of designing, building, and operating aircraft, including airplanes and spacecraft

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annular eclipse

a type of solar eclipse where the moon, passing between the earth and the sun, appears smaller than the sun, creating a ring of sunlight around the darkened moon

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armillary sphere

a model of the celestial sphere, historically used to depict and study the positions of celestial objects, consisting of a series of hoops representing important circles in the sky

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tektite

a small, natural glassy object formed from terrestrial debris ejected during meteorite impacts, known for its smooth texture and found in strewn fields across the Earth's surface

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