3 ms·
> MarsExpress has started transmitting the @ESA_EDM landing recording. Even at light speed it will take 9m47s to reach Earth #ExoMars (seconds ago)
by the_duke 10y ago
> MarsExpress has started transmitting the @ESA_EDM landing recording. Even at light speed it will take 9m47s to reach Earth #ExoMars (seconds ago)
- hanoz 10y agoThough of course, knowledge of whether it has in fact started transmitting the @ESA_EDM landing recording will also take 9m47s to reach Earth.