Gravity can exist without mass and dark matter could be myth, says study
SMRTR summary
A new study proposes that topological defects, not dark matter, may cause gravitational bending in galaxies. This theory suggests shell-like structures with zero total mass could create gravity without requiring invisible matter, potentially challenging long-held assumptions about dark matter's existence.
SMRTR provides this summary for quick context. The original article belongs to Interesting Engineering.
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