Mmastodon SciencePhysics first seen 1 d ago, last 13 h ago, peak #4
Dark matter framed as a local fix for global physics
Original: “So my view is dark matter is just an attempt to describe global physics in local terms. It’s what’s going on outside th
A physicist argues that dark matter is less a substance than a workaround: an attempt to explain galaxy-scale motion using local physics. In this view, Newtonian gravity is a local description, and postulating unseen matter inside galaxies substitutes for gravitational effects originating outside them. The argument echoes alternative approaches such as MOND and prompts debate about whether dark matter particles will ever be found or whether gravity theories need revision.
Why now: Ongoing debate over whether dark matter exists as matter or signals a need to rethink gravitational theory.
Evidence
- “So my view is dark matter is just an attempt to describe global physics in local terms. It’s what’s going on outside the galaxy. Newton is local, and so you say, “I’ve got to do something inside the galaxy which will replace what’s going on outside the galaxy.” And therefore,… · jan@pleroma.microblog.se · 3
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