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Why Fans Are Paying $200 to Watch Sports in a Planetarium | WSJ Tech Behind

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December 14, 2025

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Cosm took the blueprint of a planetarium and made it feel like a stadium. The 87-foot LED dome uses five 8K cameras to capture livestreams, helping fans feel like they’re sitting front row at an NFL game. Fans are paying hundreds of dollars to experience it live.

WSJ went behind the scenes at a Philadelphia Eagles game for “Sunday Night Football” to explain the tech that powers Cosm.

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Tech Behind

'The Tech Behind' explores the amazing engineering, computing, science and algorithms that power our favorite tech.

#Sports #NFL #WSJ

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Philadelphia EaglesSunday Night FootballCosm Chapters The CosmPhiladelphia TheTech BehindTech Behind'Sports NFL WSJ

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Why Fans Are Paying $200 to Watch Sports in a Planetarium | WSJ Tech Behind · The Wall Street Journal · Sentinel