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Satellite Observations Detect Urban Pulse of Six Global Cities

Anirudh Jain - Kolkata Bureau Jun 18, 2026 6,750 Views
Satellite Observations Detect Urban Pulse of Six Global Cities
A new study published in PNAS reveals that scientists have successfully used high-frequency NASA and ESA satellite observations to track the real-time "urban pulse" of six global cities. The data shows that city development occurs in sudden, asynchronous bursts, offering planners an EKG-like diagnostic tool to monitor urban health.

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