@amazeifystore: The $1.5 billion mistake that almost ruined Hubble. 🔭 Imagine spending years grinding the most perfect mirror ever, only to find the measurement tool was off by a hair. A 1.3mm spacer was backward, making the tool lie to the engineers. 😱 Lesson learned: if the reports say it is perfect but the physics feels off, believe the physics. Tag a friend who loves space history! 🌌 #Hubble #NASA #Space #Astronomy #Engineering #Physics #Science #SpaceTelescope #History #ScienceFacts #SpaceDiscovery

Jerry

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Friday 24 July 2026 21:25:55 GMT