dark satellite

dark satellite

[¦därk ′sad·əl‚īt]
(aerospace engineering)
Satellite that gives no information to a friendly ground environment, either because it is controlled or because the radiating equipment is inoperative.
References in periodicals archive ?
First author Simona Vegetti, a postdoctoral researcher at the Massachusetts Institute of Technology, said: "Now we have one dark satellite, but suppose that we don't find enough of them - then we will have to change the properties of dark matter.
This hypothetical dark satellite was called "Nemesis", the researchers claim.
However, further dark satellites will need to be found to confirm this conclusion," says Vegetti.