Australian startup Spiral Blue is testing prototype of its Space Edge Zero computer on SatRevolution of Poland’s Earth-observation satellites. Credit: SatRevolution

The latest Apple Watch has 16 times the memory of the central processor on NASA’s Mars 2020 rover. For the new iPhone, 64 times the car-size rover’s memory comes standard.

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Debra Werner is a correspondent for SpaceNews based in San Francisco. Debra earned a bachelor’s degree in communications from the University of California, Berkeley, and a master’s degree in Journalism from Northwestern University. She is a recipient...