Marie Drake Planetarium volunteer Clark Branch uses a laser pointer to circle the North Star during a monthly talk on the night sky. (Michael Penn | Juneau Empire File)

Marie Drake Planetarium volunteer Clark Branch uses a laser pointer to circle the North Star during a monthly talk on the night sky. (Michael Penn | Juneau Empire File)

Planetarium offers introduction to traveling by the stars

A professor will guide the way.

The stars helped early explorers find their way.

A free presentation titled “Celestial Navigation,” 7-8 p.m., Tuesday at Marie Drake Planetarium, 1415 Glacier Ave. will explain how.

The event will include basic introduction to celestial navigation techniques used by mariners, and the talk will be given by Neil Nickerson, assistant professor of marine transportation for University of Alaska Southeast.

It will be followed by ‘The Sky Tonight’ on the Spitz projector.

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