Stars which are never seen to set are called

Question

BlackTom AI · Accepted Answer

Consider the concept being asked: stars that never set below the horizon and remain visible all the time from a given latitude.
Option 1: circumpolar stars. This is the standard term for stars that, due to their proximity to the celestial pole, never dip below the horizon and are visible throughout the year from certain latitudes. This directly matches the question.
Option 2: Mira variable stars. These are pulsating red giants with long-period brightness variations, notable for their variability rather than any special horizon behavior; they can rise and set like ordinary stars, so this does not fit.
Option 3: principal navigational stars. While navigational stars are used for celestial navigation, the phrase does not describe stars that never set; many navigational stars do rise and set like others, so this label is inaccurate for the given property.
Option 4: eclipsing binary stars. These are pairs of stars that periodically eclipse each other from our viewpoint, causing brightness changes. This phenomenon has nothing to do with whether a star rises or sets, so it’s not the correct descriptor here.
Option 5: zodiacal stars. There is no category of stars known as 'zodiacal stars' defined by their horizon behavior; the term 'zodiac' refers to the band of constellations along the ecliptic, not to stars that never set. Therefore this option is unrelated to the concept in the question.
In summary, only circumpolar stars describe stars that never set from a given location, while the other options refer to different stellar properties or classifications that do not address horizon behavior.

ASTRON 2140 AU2025 (23428) Quiz 1 - 2025 Sep 19

Stars which are never seen to set are called

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