(慧星)
彗星
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
(陨石)
流星
a piece of rock coming from outer space that passes through the Earth's atmosphere, producing light
(星体)
小行星
any of the rocky bodies orbiting the sun, ranging greatly in diameter, also found in large numbers between Jupiter and Mars
(星云气)
星云
a glowing cloud of gas and dust in outer space, often the result of a star explosion or formation
语法信息:
(南极光)
极光
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
(星群)
星座
a specific group of stars that form a pattern and have a name related to their shape
(十二宫)
黄道
(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
(外行星)
系外行星
a planet that is outside the solar system
(白色矮星)
白矮星
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
(中子恒星)
中子星
a highly dense and compact stellar remnant that remains after a massive star undergoes a supernova explosion, consisting almost entirely of neutrons
(漩涡星系)
螺旋星系
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
(光谱分析仪)
光谱仪
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
(不明飞行者)
不明飞行物体
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
语法信息:
(空间探测器)
太空探测器
an unmanned spacecraft designed to explore outer space, gather scientific data, and transmit it back to Earth
(航天员)
宇航员
an astronaut from Russia or the former Soviet Union
(红色偏移)
红移
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
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