The Third Observable: A Multichannel, Independent-Measurement Framework for Hypersonic Anomaly Assessments

To the point

Independent trajectory measurements and synchronized, multi-location sensor observations are essential to evaluate unusual aerial events because atmospheric interactions should leave detectable signatures beyond speed, and only then can we rule out misreadings or ordinary explanations, a stance supported by Avi Loeb and Sean Kirkpatrick.

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The Third Observable: Hypersonic Velocity without Signatures - Alternative Propulsion Engineering Conference
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A UAP moving through the air at hypersonic speed should have a glowing plasma sheath and massive sonic boom, while one entering the ocean should produce impact forces, vapor, cavitation and an acoustic pulse.