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> Whereas he's proposing regular (dark as in color) matter Wouldn't that kind of matter be easily detectable because it would block EM radiation, including vis
by balfirevic 6y ago
> Whereas he's proposing regular (dark as in color) matter
Wouldn't that kind of matter be easily detectable because it would block EM radiation, including visible light?
- corty 6y agoYes. "Dark" is misleading, it should be "sparsely-interacting" or something. Well, MACHOs would have been dark in the traditional sense as well. Generally, "we would have seen it" excludes a lot of dark matter candidates, thats what actually makes it "dark"