ScienceQuiet 31d · day 31
Newton's gravity law passes cosmos test across galaxy clusters
A massive test of gravity finds it behaves as predicted by Newton and Einstein, even across hundreds of millions of light-years.
What to know
- Gravitational behavior tested across galaxy clusters hundreds of millions of light-years apart conforms to Newton's and Einstein's predictions.
- The findings undermine alternative modified-gravity theories that attempt to explain cosmic structure without dark matter.
- Results strengthen the case that dark matter, not modified gravity, accounts for the universe's missing mass.
Isaac Newton Historical physicist
Albert Einstein Theoretical physicist
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