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a region beyond Neptune in the solar system containing icy objects like dwarf planets, asteroids, and comets
카이퍼 벨트, 카이퍼 링
a highly energetic celestial object emitting powerful radiation from the center of a galaxy, often associated with a supermassive black hole
퀘이사, 준항성체
a distant, hypothetical region surrounding the solar system, thought to harbor icy bodies and comets
오르트 구름, 오르트 구름
the outer layer of the Sun's atmosphere, observable as a plasma halo during a solar eclipse
코로나, 태양의 외부 대기
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
시차, 겉보기 변위
a highly magnetized, rotating neutron star that emits beams of electromagnetic radiation from its magnetic poles
펄사, 회전하는 중성자별
a unit of measurement equal to the average distance between the Earth and the Sun, approximately 149.6 million kilometers
천문 단위, AU
a unit of astronomical distance equivalent to about 3.26 light-years
파섹, 약 3.26광년에 해당하는 천문학적 거리 단위
a high-energy particle, mainly originating from outside the Solar System, that travels through space at nearly the speed of light
우주선, 우주 입자
(cosmology) the faint glow of radiation spreading through the universe, believed to be residual radiation from the Big Bang
우주 마이크로파 배경, 빅뱅의 잔류 방사선
(cosmology) a theory proposing that the solar system formed from a rotating nebula of gas and dust about 4.6 billion years ago
성운 가설, 성운 이론
(cosmology) a measure of the rate at which the universe is expanding, determined from the observation of distant galaxies' recession velocities
허블 상수, 허블 파라미터
the matter and radiation that exists in the space between stars within a galaxy
성간 매질, 성간 물질
the space surrounding the Sun dominated by solar wind
태양권, 태양풍이 지배하는 공간
very small particles originally derived from stars, serving as raw material for forming planets, and existing between galaxies, stars, and other celestial bodies
우주 먼지, 별 먼지
a small celestial body that becomes visible as a meteor upon entrance into the atmosphere of the earth
유성체, 작은 천체
(cosmology) the rapid expansion of the universe following the Big Bang
인플레이션, 급속한 확장
a disruption in earth's magnetic field caused by solar activity, resulting in variations that can impact electronic systems and communications on earth
자기 폭풍, 지자기 폭풍
the colored lights, mainly green and red, in the sky seen primarily near the southern magnetic pole
오로라 오스트랄리스, 남극광
the colored lights, mainly green and red, in the sky seen primarily near the northern magnetic pole
오로라, 북극광
associated with the phenomena, processes, or theories related to the origin and formation of the universe or celestial bodies
우주 생성론의, 우주 또는 천체의 기원과 형성과 관련된 현상
study of celestial objects outside the Milky Way galaxy
은하외 천문학, 우리 은하 바깥의 천체 연구
relating to or resembling a nebula, which is a cloud of gas and dust in outer space
성운의, 성운과 관련된
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