Random triples
| Subject | Object |
|---|---|
| gptkb:The_Cassini_spacecraft | radioisotope thermoelectric generators |
| gptkb:Venus_Express | solar panels |
| gptkb:Wright_Flyer | 12-horsepower engine |
| gptkb:CSS_Hunley | hand-cranked propulsion |
| gptkb:Cassini_orbiter | radioisotope thermoelectric generators |