Dust detector definitions

Dust detector

A device for measuring the velocity, mass, charge, flight direction and number of dust particles striking the instrument.
Found on http://www.braeunig.us/space/glossary.htm

---

dust detector

A device for measuring the velocity, mass, charge, flight direction, and number of dust particles in space.
Found on http://www.daviddarling.info/encyclopedia/D/dust_detector.html

---