A Soviet-era spacecraft has plunged to Earth, more than a half-century after its failed launch to Venus
Archived version: https://archive.is/newest/https://www.independent.co.uk/news/venus-earth-soviet-experts-european-space-agency-b2748464.html
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Unplanned crash, lots of unpredictable trajectory changes when/if things break off not to mention entry angle likely isn’t the one designed.
We know its crashing because of detection systems but trajectory predicting is a lot harder once it reenters atmosphere.