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The Bruce Murray Space Image Library

Where's north? Defining Tempel 1's poles

Filed under mapping, comets, comet Tempel 1, explaining science

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Where's north? Defining Tempel 1's poles Tempel 1 with the nucleus coordinate system superimposed. Because the flyby spacecraft flew under the nucleus, we can see the negative pole. The positive pole is just over the horizon at upper right. The positive pole is defined by the right hand rule (based on direction of spin). In this case it is also pointing into the north ecliptic hemisphere and can therefore also be called the north pole.

NASA / UMD / Cornell / Peter Thomas

Original image data dated on or about September 25, 2006.

Most NASA images are in the public domain. Reuse of this image is governed by NASA's image use policy.


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