From Jars to the Stars: How Ball Came to Build a Comet-Hunting Machine
![From Jars to the Stars: How Ball Came to Build a Comet-Hunting Machine](https://planetary.s3.amazonaws.com/web/assets/pictures/_233x233_crop_center-center_line/20150529_20150529_Jars_Front-sm_t233.jpg 233w)
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