n. 1.〔the G-〕 银河；银河系；〔pl.〕 河外星系。 2.人才荟萃，一群显赫的〔出色的〕人物；一系列光彩夺目的东西。 短语和例子 a galaxy of talent [beauties] 一群才子[美女]。
a splendid assemblage (especially of famous people)
(astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust; "`extragalactic nebula'' is a former name for `galaxy''" 同义词：extragalactic nebula,
tufted evergreen perennial herb having spikes of tiny white flowers and glossy green round to heart-shaped leaves that become coppery to maroon or purplish in fall 同义词：galax, wandflower, beetleweed, coltsfoot, Galax urceolata,
A galaxy is a massive, gravitationally bound system consisting of stars, stellar remnants, and interstellar medium of gas and dust, and, it is hypothesized, an important but poorly understood component called dark matter. The word galaxy is derived from the Greek galaxias (), literally "milky", a reference to the Milky Way.
例句与用法
1.
Other galaxies are placed irregularly in space . 其它星系不规则地位于太空中。
2.
Our galaxy is a continuously evolving system . 我们的星系是一个不断演化的星系。
3.
Most galaxies occur in pairs or in small multiple groups . 大多数星系成双或几个成一小群。
4.
There is a curious feature in the spectra of spiral galaxies . 在旋涡星系的光谱中有一种奇妙的特征。
5.
An average of one new star is born in our galaxy each year . 平均每年在我们的星系中诞生一颗新的恒星。
6.
Most galaxy associations are small and have a low density contrast . 大多数星系协是小的，密度反衬低。
7.
Galactic nebulas are masses of diffuse material within our galaxy . 银河星云是我们星系中的一团团弥散物。
8.
The universe as a whole contains billions of comparable galaxies . 整个宇宙，包含亿万个可以比拟的银河系。
9.
They reported that younger galaxies should be significantly bluer . 据他们报道，较年轻的星系颜色应该显著地偏兰。
10.
To understand galaxy formation we would like to think of gravitation . 为了理解星系的形成，我们总要想到万有引力。
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