missing satellite

Artificial satellite missing for 40 years suddenly returns, leaving scientists bewildered
In the dark and boundless space, an artificial satellite that had been missing for 40 years made a spectacular return, leaving scientists around the world shocked and worried.
Capture the world's largest satellite image missing
The European Space Agency (ESA) said that on April 15, the French Pleiades observing satellite captured the image of Envisat's largest observation satellite, lost contact since