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The North Star (Polaris) varies so slightly from the true north that we may, for practical purposes, consider it true north. The North Star is easily identified by the pointers of the "Big Dipper."

Astronomical Compass

The North Star (Polaris) varies so slightly from the true north that we may, for practical purposes,…

Cassiopeia constellation.

Cassiopeia

Cassiopeia constellation.

Finding the north star with the Big Dipper and Cassiopeia.

North Star

Finding the north star with the Big Dipper and Cassiopeia.