Scientists propose ‘invisible barriers’ in space to explain ‘planes of satellite galaxies’ - The Indian Express

These invisible barriers or invisible walls could help explain how smaller satellite galaxies orbiting larger ones are often arranged into flat disks.

There are many things in space that humanity is yet to fully understand and one of these is are planes of satellite galaxies around the Milky Way and surrounding galaxies. But researchers at the Univ… [+2017 chars]

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