ACT 科学 - 天文学与航空航天科学

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

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

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

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

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

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

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

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

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

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

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

a planet that is outside the solar system

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

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

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

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

related to or characteristic of planets or the solar system

the round top of a volcano

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

relating to or originating from outside the Earth or its atmosphere

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

to overshadow another astrological body

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

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

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

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

related to or occurring in the sky or outer space

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

a vehicle designed to travel in space

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

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

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

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

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

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

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

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