Assertion: galactic supernova | /r/HasProperty | visible
Facets:
value: within the next 50 years
type: TEMPORAL
value: with the unaided eye
type: MANNER
Source sentences:
text: Adams did the math: the probability of a galactic supernova being visible with the unaided eye from somewhere on Earth within the next 50 years is approximately 20-50 percent, with people in the southern hemisphere getting the best of those odds, since they can see more of our galaxy in the night sky.