Assertion: supernova's life | /r/HasProperty | affected by nearby supernovas
Facets:
value: in the past
type: TEMPORAL
Source sentences:
text: There are some interesting studies out that suggest life on Earth has been affected by nearby supernovas in the past, but even if there is some cause for concern there, the good news is that we'll see Betelgeuse blow hundreds of years before the blast reaches Earth.