Assertion: cosmic ray's source | /r/HasProperty | original
Facets:
Source sentences:
text: Since cosmic rays are actual particles, trajectories are bent between when they left their original source and when they arrive on earth, making it difficult to know the exact origin of an individual cosmic ray.
text: Since cosmic rays are actual particles, trajectories are bent between when they left their original source and when they arrive on earth, making it difficult to know the exact origin of an individual cosmic ray.