New answers tagged communication
8
I would expect they took note of all that somehow when they took the items.
Do you take note of every time you take a pen, a pad of paper, or a screen cleaner from your employer's office supply cabinet? I don't. My employer only has a sheet where one is supposed to make a note if some type of supply is running low. (Some companies reportedly do require ...
4
China has done it with NASA
China used signals sent from NASA’s Juno probe orbiting Jupiter to test the capabilities of ground stations vital to its deep space ambitions.
Scientists involved in developing China’s tracking, telemetry and command (TT&C) capabilities listened-in on signals sent from Juno and successfully determined the spacecraft’s Doppler ...
6
Yes! It is know as the "Delay Tolerant Network" [1] (prior versions called this the "Disruption Tolerance Network" [2]). It is currently undergoing standardization by the CCSDS. [3] The protocol itself is called the "Bundle Protocol", and an implementation of the BP is available as an open-source Core Flight System application. [...
3
Partial answer; rather than an areostationary orbit with zero inclination, an inclined areosynchronous orbit (i.e. same period but tilted) would never lose direct line-of-sight to Earth except when it goes behind the Sun.
From the surface of Mars it would make a figure-eight in the sky once a day (see this answer for what those look like), but these days ...
4
From conversations I have personally had with people who work in the Medical and Psychological divisions at the Johnson Space Center, the use of the term privatization is less about securing the connection, as making sure that nobody can physically eavesdrop on the conversations. The astronaut on the space station goes to a module where they are alone, so ...
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