3 ms·The sensor will need to send data back, so it can't be too light weight.by umeshunni 11y agoThe sensor will need to send data back, so it can't be too light weight.kijin 11y agoThe signal only needs to reach the mothership, not Earth. Example: Philae communicated with Earth via Rosetta.murbard2 11y agoYes but Rosetta orbited the comet, whereas in this case the probe would just zoom past the planet