Pioneer anomaly en · NOUN
Etymology
Named after NASA space probes Pioneer 10 and Pioneer 11.
Meanings
- (countable, uncountable) The observed deviation from predicted accelerations of the Pioneer 10 and Pioneer 11 spacecraft after they passed about 20 astronomical units on their trajectories out of the Solar System.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| Pioneer anomalies | Number=Plur | lexicographic |