Assertion: pulsar's surface | /r/HasProperty | visible
Facets:
value: in such a case
type: OTHER
value: from a single point of observation
type: OTHER
value: all the time
type: TEMPORAL
Source sentences:
text: In fact, it is possible for photons to trapped along an orbit (see Figure 4), therefore causing the entire surface to be visible.
text: When is small (the neutron star is very compact), there is substantial light deflection and therefore almost the entire surface of the neutron star is visible all the time.
text: In such a case, the entire surface of the star is visible from just a single point of observation.