Assertion: einsteinium | /r/HasProperty | discovered in debris
Facets:
value: from the first hydrogen bomb explosion
type: TEMPORAL
value: along with fermium
type: OTHER
value: unexpectedly
type: MANNER
Source sentences:
text: Einsteinium was discovered unexpectedly along with fermium in debris from the first large hydrogen bomb test, which took place in the Pacific on October 31 1952.
text: Einsteinium does not occur naturally and was discovered in 1953 in debris from the first hydrogen bomb explosion.