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The Big Dipper is used to find the North Star.

Big Dipper

The Big Dipper is used to find the North Star.

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,…

The constellation, with the north star also shown.

The Dipper

The constellation, with the north star also shown.