Assertion: comet | /r/HasProperty | difficult
Facets:
value: extremely
type: DEGREE
Source sentences:
text: In the outer Solar System, comets remain frozen and inactive and are extremely difficult or impossible to detect from Earth due to their small size.
text: In the outer Solar System, comets remain frozen and inactive and are extremely difficult or impossible to detect from Earth due to their small size.
text: In the outer Solar System, comets remain frozen and are extremely difficult or impossible to detect from Earth due to their small size.
text: In the outer Solar System, comets remain frozen and are extremely difficult or impossible to detect from Earth due to their small size.
text: In the outer Solar System, comets remain frozen and inactive and are extremely difficult or impossible to detect from Earth due to their small size.