3 ms·
Neutrons are electrically neutral but they still interact electromagnetically (they're composed of charged quarks). They have a magnetic moment, for instance [1
by cgs1019 11y ago
Neutrons are electrically neutral but they still interact electromagnetically (they're composed of charged quarks). They have a magnetic moment, for instance [1]. So they wouldn't be dark the way "dark matter" appears (heh) to be.
[1] - https://en.wikipedia.org/wiki/Neutron_magnetic_moment https://en.wikipedia.org/wiki/Neutron_magnetic_moment
- drjesusphd 11y agoIf dark matter particles had a magnetic moment, how would we know?
- gliese1337 11y agoThey would interact with photons, allowing us to see some effects of concentrations of dark matter against background light sources.