Assertion: astronomer | /r/CapableOf | detect spherical shock wave
Facets:
value: roughly
type: DEGREE
Source sentences:
text: Astronomers detect a roughly spherical shock wave 50 light-years across in the plane of the Milky Way galaxy.
text: Astronomers detect a roughly spherical shock wave 50 light-years across in the plane of the Milky Way galaxy.