Astronomy: 'Odd radio circles' in the sky a ‘genuine mystery’ December 07, 2020 at 04:04PMhttps://https://ift.tt/2VPo1Nx A new high-powered telescope has discovered inexplicable ghostly circles in the sky.

A new high-powered telescope has discovered inexplicable ghostly circles in the sky.

from BBC News - World https://ift.tt/3mVT3iJ