In fact, 24 per cent of our galaxy elemental mass consists of helium, which makes it the second most abundant element in our universe.

事实上，银河系中24%的元素质量是由氦组成的，这使它成为宇宙中第二丰富的元素。

youdao

Such abodes of life may lie on other planets and moons throughout our galaxy, throughout the universe, and even beyond.

这些载有生命的行星和卫星可能遍布我们的银河，遍布整个宇宙，甚至遍布宇宙之外。

youdao

We live in a galaxy of other stars; the Milky Way is not merely a glowing cloud but what we have come to call a galaxy, an island universe.

我们存在于由其它恒星组成的一个星系中，银河不再仅仅是一朵发光的云，而是必须被称作星系，它是一个岛宇宙。

youdao

After 50 years of silence, I think the time has come to take stock and say, maybe we should mobilize all of the sciences to look for anything fishy, anything weird,any anomaly, both in our own little corner of the universe here on Earth and in the solar system, and far out across the galaxy."

VOA: standard.2010.04.16

Like virtually every other galaxy in the universe, the Galaxy NGC 4845 has a central black hole.

FORBES: Scientists Catch A Black Hole Munching On A Giant Planet

Based on information from the GALEX program, astronomers have crowned spiral galaxy NGC 6872 the largest known spiral galaxy in the universe.

FORBES: Astronomers Find The Largest Known Spiral Galaxy

The curved glass had a magnifying effect, like a lens: inside, the pale-pink pill was disintegrating as if giving birth to a galaxy or the universe.

NEWYORKER: Meeting with Enrique Lihn