Dark Matter

Hello astronomers

Is dark Matter solid like normal matter? As the fact that Dark Matter is
comparable with normal matter. macho's thus something like a brown dwarf are
comparable with ordinary objects like planets and stars and stuff. So
allthough it is invisible for us would we colide with something like a brown
dwarf? Imagine a space travel between galaxies and the spiral arms of the
milkyway which consist of macho's. Because we can't see a macho or something
that consist of dark Matter, we would colide with such an object if it is as
solid as normal matter.

Piet den Dulk,
Netherlands