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True or False? Lindsay Lohan, polar bears and Halley’s comet have all been tracked using GPS.

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The correct answer is `False´.

Halley’s comet cannot be tracked by GPS as it is out of range of the GPS satellites. Besides, getting a GPS tracker onto the comet could prove quite tricky! Lindsay Lohan and polar bears have both been tracked by GPS (though not in the same place at the same time).

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