Assertion: dark matter | /r/HasProperty | new particle
Facets:
value: entirely
type: DEGREE
value: probably
type: DEGREE
Source sentences:
text: Many physicists and astronomers think dark matter is probably a new particle that so far has eluded detection during particle accelerator experiments or discovery among cosmic rays.
text: Is Dark Matter the New Ether?
text: Could Dark Matter Be a New Form of Matter?
text: Dark matter appears to be some entirely new kind of particle that has mass, and therefore gravity, but otherwise interacts only via the (appropriately named) weak force.