로그인
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
혜성
a piece of rock coming from outer space that passes through the Earth's atmosphere, producing light
유성
any of the rocky bodies orbiting the sun, ranging greatly in diameter, also found in large numbers between Jupiter and Mars
소행성
a glowing cloud of gas and dust in outer space, often the result of a star explosion or formation
성운
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
오로라
a specific group of stars that form a pattern and have a name related to their shape
별자리
(astronomy) the celestial zone in the sky where the sun, moon, and planets appear to move, traditionally divided into twelve equal segments, each associated with a distinct name and symbol
조디악
the displacement of the spectrum of an astronomical object toward shorter wavelengths, indicating motion toward the observer
블루 시프트
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
백색 왜성
a highly dense and compact stellar remnant that remains after a massive star undergoes a supernova explosion, consisting almost entirely of neutrons
중성자 별
the scientific study of how the universe is created, its development, and how it is going to end
우주론
a type of galaxy characterized by a spiral-shaped structure, consisting of a central bulge surrounded by spiral arms that contain stars, gas, and dust
나선 은하
a type of galaxy characterized by its smooth, nearly featureless brightness profile and ellipsoidal shape, lacking significant spiral arms or disk-like structures
타원형 은하
an optical instrument used for analyzing the spectrum of light, separating it into its individual wavelengths to identify and study the components of the light source
스펙트로스코프
a galaxy that lacks a distinct, regular shape or structure, often appearing chaotic and asymmetrical
불규칙 은하
a mysterious object that some people claim to have seen flying around in the sky and assume that it is a spaceship from another world
미확인 비행체
an unmanned spacecraft designed to explore outer space, gather scientific data, and transmit it back to Earth
우주 탐사선
a layer of charged particles, primarily electrons and protons, held in place around a celestial body by its magnetic field
방사선 벨트
the shift of light waves towards longer wavelengths, indicating the motion of an object away from the observer, commonly observed in the spectra of distant celestial bodies
적색편이
