not even that. "unexplained matter" implies that there is some matter to explain (what type etc) when in reality is an unexplained observation that could be ex

not even that. "unexplained matter" implies that there is some matter to explain (what type etc) when in reality is an unexplained observation that could be explained by current laws/constants if only there was some more (actually a lot more) matter. is a pure mathematical construct and mathematically it wold be just as valid to ad "dark constant modifier"