C2 수준 단어 목록 - 천문학

a region beyond Neptune in the solar system containing icy objects like dwarf planets, asteroids, and comets

카이퍼 벨트

a highly energetic celestial object emitting powerful radiation from the center of a galaxy, often associated with a supermassive black hole

퀘이사

a distant, hypothetical region surrounding the solar system, thought to harbor icy bodies and comets

오르트 클라우드

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

별의 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

시차

a highly magnetized, rotating neutron star that emits beams of electromagnetic radiation from its magnetic poles

펄서

a unit of measurement equal to the average distance between the Earth and the Sun, approximately 149.6 million kilometers

천문 단위

a unit of astronomical distance equivalent to about 3.26 light-years

파섹

a high-energy particle, mainly originating from outside the Solar System, that travels through space at nearly the speed of light

우주선

(cosmology) the faint glow of radiation spreading through the universe, believed to be residual radiation from the Big Bang

우주 배경 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

(cosmology) a measure of the rate at which the universe is expanding, determined from the observation of distant galaxies' recession velocities

우주 팽창 속도

the matter and radiation that exists in the space between stars within a galaxy

성간 매체

the space surrounding the Sun dominated by solar wind

태양권

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

a small celestial body that becomes visible as a meteor upon entrance into the atmosphere of the earth

유성체

(cosmology) the rapid expansion of the universe following the Big Bang

우주 인플레이션

(astronomy) a set of three fundamental principles describing the motion of planets around the Sun, formulated by Johannes Kepler

케플러의 법칙

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

the colored lights, mainly green and red, in the sky seen primarily near the southern magnetic pole

남반구의 오로라

the colored lights, mainly green and red, in the sky seen primarily near the northern magnetic pole

북극광

associated with the phenomena, processes, or theories related to the origin and formation of the universe or celestial bodies

우주의 기원과 관련된

study of celestial objects outside the Milky Way galaxy

은하외 천문학

relating to or resembling a nebula, which is a cloud of gas and dust in outer space

성운의

relating to the stars or constellations, especially in terms of their positions relative to Earth

아스트랄