Mission controllers on earth refired its rocket engines by radio command
, whereupon Surveyor 3 jumped about 3 meters up, landed a little more than 2 meters away, and continued its observations.) Also among the Phobos lander's instruments will be a "laser mass spectrometer," designed to zap portions of the surface with a laser beam and analyze the resulting vapor.
That the lap times continued to plummet late in the race as Hamilton roared to less than a second from Alonso's rear suggests the plucky rookie partially ignored the radio command
It's worth pausing to reflect on the extraordinary journey of a spacecraft equipped with 1970s technology that has traveled 18.2 billion kilometers from Earth - so far that it takes nearly 17 hours for radio commands
traveling at the speed of light to reach the probe.
In the demonstrations yesterday, firefighters wore opaque covers on their masks - to simulate smoke - and were able to find stranded colleagues by following radio commands
. The information was relayed by Deputy Chief Sullivan, who watched the monitors and manipulated the display with the help of engineers.
Some are radio commanded
, others wired, and others are triggered by pressure plates.
Accordingly, arrangements were made whereby a fighter controller (Jagdleit Offizier, or Jlo), based on the relative positions of the enemy aircraft and the night fighter on a plotting table, could transmit radio commands
to the pilot, thereby guiding him to the enemy aircraft.