This has led scientists to speculate on the existence of other galaxies.

这就使得科学家推测还有其他星系存在。

《牛津词典》

These galaxies may constitute an answer to the long-standing puzzle of the missing baryonic mass in the universe.

这些星系可能为宇宙中长期存在的缺少重子质量这一谜题提供了答案。

youdao

Only galaxies with a spherical bulge—like component appear to accommodate supermassive black holes.

只有拥有球形膨胀物质的星系才可能容纳超大质量的黑洞。

youdao

By nineteen twenty-five, he had made enough observations to say that the universe is organized into galaxies of many shapes and sizes.

VOA: special.2009.04.29

All galaxies,he said, are related to each other, much as members of a family are related to each other.

VOA: special.2009.04.29

The idea is that the matter we see does not have enough gravitational pull to keep galaxies together.

VOA: special.2009.07.21

The Higgs boson is associated with the reason that everything in the universe -- from humans to planets to galaxies -- have mass.

CNN: Scientists more certain that particle is Higgs boson

To that end, the 570-megapixel camera will eventually measure up to 300 million galaxies up to 8 billion light years distant, as well as 100, 000 galaxy clusters, and 5, 000 supernovae.

FORBES: Dark Energy Camera Could Reshape Einstein Cosmology

These strings vibrate in such a way as to create galaxies and bluebirds, atoms and daffodils .

FORBES: Yes, Virginia . . .