ACT 科学 - 天文学と航空宇宙科学

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

天文学者

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

天体物理学者

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

プラネタリウム

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

天文台

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

小惑星

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

隕石

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

軌道

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

超新星

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

星座

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

彗星（天文学）

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

白色矮星

a planet that is outside the solar system

系外惑星

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

小惑星帯

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

切除

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

恒星コロナ

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

フレアー

related to or characteristic of planets or the solar system

惑星の

the round top of a volcano

クレーター

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

太陽質量

relating to or originating from outside the Earth or its atmosphere

地球外の

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

光球

to overshadow another astrological body

凌ぐ

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

星間

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

星雲（ガスの雲）

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

オーロラ

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

準惑星

related to or occurring in the sky or outer space

天上の

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

プローブ

a vehicle designed to travel in space

スペースクラフト

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

発射（ミサイルなど）

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

発射台

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

海賊

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

回転

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

航空学

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

金環食

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

天球儀

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

テクタイト