"How to Look Back in Time Over Two Million Years"

Scheduled air date: 2002 Oct 28-03

High overhead at this time of year, the constellation Pegasus—a mythological winged horse—can be seen in the evening sky.  And located about half-way between the Great Square of Pegasus and the smaller constellation of Cassiopiea (the red "M" pattern above), is the Andromeda Galaxy.
(Shown about 8:00 PM the first week of November for mid-Northern latitudes.)

At a distance of 2.5 million light years, the Andromeda Galaxy—also known as M31—is the farthest object visible to the unaided eye.
(North is toward the bottom in both images.)

If you wish to view illustrations for other episodes, please see our Star Gazer Illustrated directory.

Illustrations on this page were created using TheSky Astronomy Software, an advanced desktop planetarium program designed for Windows.

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