Assertion: ray astronomy satellite | /r/CapableOf | develop this field of science
Facets:
value: in the 1970s
type: TEMPORAL
value: at an astounding pace
type: MANNER
Source sentences:
text: In the 1970s, dedicated X-ray astronomy satellites, such as Uhuru, Ariel 5, SAS-3, OSO-8 and HEAO-1, developed this field of science at an astounding pace.