Assertion: matter's matter | /r/AtLocation | non-luminous gas
Facets:
value: in massive astrophysical compact halo objects
type: LOCATION
Source sentences:
text: Baryonic dark matter may occur in non-luminous gas or in Massive Astrophysical Compact Halo Objects (MACHOs) - condensed objects such as black holes, neutron stars, white dwarfs, very faint stars, or non-luminous objects like planets and brown dwarfs.