Death planet? Well, First of all the meaning "Probe" can mean a bunch of things:
Also, Ive heard another meaning: -A tiny moon.
noun
noun: probe; plural noun: probes
1.
a blunt-ended surgical instrument used for exploring a wound or part of the body.
•a small device, especially an electrode, used for measuring, testing, or obtaining information.
•a projecting device for engaging in a drogue, either on an aircraft for use in inflight refueling or on a spacecraft for use in docking with another craft.
•an unmanned exploratory spacecraft designed to transmit information about its environment.
noun: space probe; plural noun: space probes
•an investigation into a crime or other matter.
"a probe into the maritime industry by the FBI"
synonyms: investigation, inquiry, examination, inquest, exploration, study, analysis
"a probe into the air crash"
verb
verb: probe; 3rd person present: probes; past tense: probed; past participle: probed; gerund or present participle: probing
1.
physically explore or examine (something) with the hands or an instrument.
"researchers probing the digestive glands of mollusks"
synonyms: examine, feel, feel around, explore, prod, poke, check
"alien hands probed his body"
•seek to uncover information about someone or something.
"he began to probe into Donald's whereabouts"
synonyms: investigate, inquire into, look into, study, examine, scrutinize, go into, carry out an inquest into
"police probed the tragedy"