The silent ghosts of space: tracking humanity's lost machines

Every Lost Spacecraft Explained in 12 Minutes · 12:37 · Video: Velko Ivanov · Watch at the source

In short: From landers that functioned in total isolation to probes drifting for decades, this video explores twelve spacecraft that vanished from our reach. It examines the mystery of why they went dark and how some were eventually rediscovered.

The video tracks twelve specific instances of lost spacecraft, highlighting a range of outcomes: some were found again, others began transmitting unexpectedly after years of silence, and some remain adrift.

Key examples include the British Beagle 2 lander, which was photographed in 2015 sitting intact on Mars despite losing contact in 2003. The video also covers the recovery of the Rosetta mission's Philae lander and the search for Apollo 10's 'Snoopy' probe.

It explores technical mysteries like the ISEE-3 Reboot Project and the signal detection of LES-1 in Cornwall. Notably, it identifies a spacecraft expected to return toward Earth in 2029.

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