Assertion: proton | /r/HasAspect | extrasolar origin
Facets:
value: from galactic cosmic rays
type: TRANSITIVE-OBJECT
Source sentences:
text: Protons also have extrasolar origin from galactic cosmic rays, where they make up about 90% of the total particle flux.
text: Protons also have extrasolar origin from galactic cosmic rays, where they make up about 90% of the total particle flux.