Final answer:
The stars on New Zealand's flag represent the Southern Cross constellation, which is part of the south circumpolar zone and is always visible from the southern hemisphere, unlike the Ursa Major or the Orion constellations that are more prominent in the northern hemisphere.
Step-by-step explanation:
The stars on New Zealand's flag represent the Southern Cross constellation. This is not to be confused with constellations like Ursa Major (associated with the Big Dipper) or Orion. The Southern Cross is an important symbol in the southern hemisphere and is distinct in its appearance and significance compared to other constellations. In the United States, constellations like the Big Dipper and Little Dipper are part of the north circumpolar zone, which includes star groups that never set and are always above the horizon, regardless of the time of day. On the other hand, the Southern Cross is situated in the south circumpolar zone, which is never visible to most observers in the U.S., highlighting the hemispherical difference in star visibility.