a highly energetic celestial object emitting powerful radiation from the center of a galaxy, often associated with a supermassive black hole
퀘이사
a region beyond Neptune in the solar system containing icy objects like dwarf planets, asteroids, and comets
카이퍼벨트
a distant, hypothetical region surrounding the solar system, thought to harbor icy bodies and comets
오르트 구름
the outer layer of the Sun's atmosphere, observable as a plasma halo during a solar eclipse
코로나, 태양 코로나
the apparent path that the Sun traces in the sky over the course of a year, which is also the plane of the Earth's orbit around the Sun
황도
the apparent displacement or difference in the apparent position of an object when viewed along two different lines of sight, often used in astronomy to measure the distance of nearby stars
패럴랙스
an exploding star that as a result is emitting a very large amount of light, more than the sun
초신성, 폭발하는 별
a highly magnetized, rotating neutron star that emits beams of electromagnetic radiation from its magnetic poles
펄서
the lowest layer of Earth's atmosphere, extending from the surface up to an average altitude of about 8-15 kilometers
대류권
the atmospheric layer above the troposphere, where temperature generally increases with altitude and the ozone layer is situated
성층권
the atmospheric layer above the stratosphere, where temperatures decrease with altitude and it extends up to the mesopause
중간권
the atmospheric layer above the mesosphere, where temperatures increase with altitude and it extends to the exosphere
열권, 열대기층
a layer in the upper atmosphere containing ions and free electrons, affecting radio communication and contributing to auroras
이온층
the outermost layer of Earth's atmosphere, transitioning to outer space, with extremely low gas densities
외기권
the protective magnetic field region around a celestial body, shielding it from solar wind and charged particles
자기권