Assertion: earth asteroid | /r/CapableOf | become visible
Facets:
value: briefly
type: MANNER
value: on some rare occasions
type: TEMPORAL
value: without technical aid
type: OTHER
Source sentences:
text: On some rare occasions, a near-Earth asteroid may briefly become visible without technical aid; see 99942 Apophis.
text: On some rare occasions, a near-Earth asteroid may briefly become visible without technical aid; see 99942 Apophis.
text: On some rare occasions, a near-Earth asteroid may briefly become visible without technical aid; see 99942 Apophis.
text: On some rare occasions, a near-Earth asteroid may briefly become visible without technical aid; see 99942 Apophis.