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.
The expected Christmas greeting from Beagle 2 never arrived. The British-led lander was due to reach Mars on December 25, 2003 and then transmit from the surface. As no signal arrived, the silence left several possible failures unresolved: entry into the atmosphere, descent, landing or the steps necessary to begin operating later. The images announced … Read more