NASANasa scientists face an anxious wait over Christmas while the spacecraft is out of touch with Earth.Nicola Fox says that as soon as a signal is beamed back home, the team will text her a green heart to let her know the probe is OK.She admits she’s nervous about the audacious attempt, but she has faith in the probe.”I will worry about the spacecraft. But we really have designed it to withstand all of these brutal, brutal conditions. It’s a tough, tough little spacecraft.”
