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It is a line of [[latitude]]. The other kind of line on a map is [[longitude]].

It is a line of [[latitude]]. The other kind of line on a map is [[longitude]].

Just as Polaris is almost exactly on the celestial North Pole, the "belt" of the constellation Orion is almost exactly on the celestial equator. Early Polynesian seafarers may have used it for navigation.

Just as Polaris is almost exactly on the celestial North Pole, the "belt" of the constellation Orion is almost exactly on the celestial equator. If you see Orion's belt is directly overhead, you know you are on the Equator. Early Polynesian seafarers may have used it for navigation.