Scientist maps massive hydrogen clouds zipping through space

In the halo of the Milky Way, there are mysterious gigantic clouds that zoom around at high speeds through space, and we may have finally unlocked a key that will help us understand them. Using telescopes,

from Inhabitat - Green Design, Innovation, Architecture, Green Building https://inhabitat.com/massive-hydrogen-clouds-zipping-through-space-mapped-for-the-first-time
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