Assertion: tv's number | /r/HasProperty | 40 to 70
Facets:
Source sentences:
text: Therefore, large numbers of satellites, about 40 to 70, are required to ensure that at least one satellite is in view continuously from each point on Earth.
text: Therefore, large numbers of satellites, about 40 to 70, are required to ensure that at least one satellite is in view continuously from each point on Earth.