Beagle 2 went silent on Christmas Day 2003 and was identified 11 years later in Mars-orbit images on Isidis Planitia, having apparently landed successfully and begun deploying its solar panels. The images suggested that one or more panels remained closed, probably trapping its radio antenna underneath and preventing it from calling home.
Beagle 2’s expected Christmas Day greeting never arrived. The British-led lander was due to reach Mars on 25…
