Astronomers have long speculated that the missing baryonic mass might eventually be discovered in intergalactic space or as some large population of galaxies that are difficult to detect.

天文学家长期以来都在推测，最终可能会在星际空间或者是在难以探测的大量星系中发现丢失的重子质量。

youdao

The satellite should detect that small bits of time and space are actually missing from each orbit, something indiscernible to orbiting astronauts but measurable nonetheless.

卫星应该可以侦测到时间与空间在每个轨道中的实际细微偏差，这些是进入轨道的宇航员很难识别出的，但的确是可以测量到的。

youdao

The satellite should detect that small bits of time and space are actually missing from each orbit something indiscernible to orbiting astronauts but measurable nonetheless.

卫星应该可以侦测到时间与空间在每个轨道中的实际细微偏差，这些是进入轨道的宇航员很难识别出的，但的确是可以测量到的。

youdao

Those collisions are why the asteroids that ought to be in the space are missing.

ECONOMIST: Asteroid impacts