Assertion: cosmic ray | /r/CapableOf | measure cosmic rays
Facets:
value: directly
type: MANNER
Source sentences:
text: To measure cosmic rays directly, before they have been slowed down and broken up by the atmosphere, particle detectors can be placed on spacecraft and high altitude balloons.  
text: To measure cosmic rays directly, before they have been slowed down and broken up by the atmosphere, particle detectors can be placed on spacecraft and high altitude balloons.