Assertion: pulsar's radiation | /r/HasProperty | observed
Facets:
Source sentences:
text: This radiation can be observed only when a beam of emission is pointing toward Earth (much like the way a lighthouse can be seen only when the light is pointed in the direction of an observer), and is responsible for the pulsed appearance of emission.
text: This radiation can be observed only when the beam of emission is pointing toward Earth (much the way a lighthouse can be seen only when the light is pointed in the direction of an observer), and is responsible for the pulsed appearance of emission.
text: The radiation can only be observed when the beam of emission is pointing towards the Earth.
text: The radiation can only be observed when the beam of emission is pointing towards the Earth.