Caltech Space Challenge

JPL systems engineer Aline Zimmer, 28, helps out Abhijeet Kumar, 24, while they discuss which instruments they want to bring along during Caltech Space Challenge, which took place at Caltech in Pasadena on Thursday, March 28, 2013. It was a week long event where students from all over the world...

Cheryl A. Guerrero / Pasadena Sun