On September 30, 2016, the European Space Agency’s Rosetta spacecraft concluded its twelve-year odyssey with a deliberate, slow-motion collision into Comet 67P/Churyumov–Gerasimenko. After chasing the cosmic snowball across billions of kilometers and deploying the Philae lander, Rosetta spent its final hours gathering unprecedented close-up telemetry, snapping high-resolution images, and sniffing ambient gas mere meters above the craggy surface. For systems architects and orbital dynamicists, Rosetta demonstrated the pinnacle of deep-space resilience, executing maneuvers through blinding dust jets and asymmetric gravity wells with round-trip light-delays rendering real-time human control impossible. Shutting down its transmitter upon impact was an operational necessity as solar power waned past Jupiter's orbit, but it also delivered an enduring poetic closure—transforming an active probe into an eternal digital monument riding silently through the solar system.