pnb: تاریک مادہ

Information
has URI	http://lexvo.org/id/term/pnb/%D8%AA%D8%A7%D8%B1%DB%8C%DA%A9%20%D9%85%D8%A7%D8%AF%DB%81

Meaning
means	(noun) (cosmology) a hypothetical form of matter that is believed to make up 90 percent of the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force dark matter