If you were to stand on the surface of Mars in two years and look up to the night sky, you might see a bright streak flying across the heavens, followed a few minutes later by another. Rather than flecks of space stuff, they would be satellites on a mission led by UC Berkeley scientists.

This first-of-its-kind unmanned mission — Escape and Plasma Acceleration and Dynamics Explorers, or ESCAPADE — could launch as early as this Sunday, sending twin satellites to Mars that together will offer the clearest picture yet of the shifting Martian atmosphere and magnetic field. If it succeeds, it could reveal mysteries about how Mars became the red wasteland that we see today, and may help us send humans to safely explore our planetary neighbor. It also pioneers a new path to Mars and a cheaper — i

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