It's probably well known in ham circles that you can
talk to the astronauts from time to time in a special
ham session, but one was actually shown on the
IMAX film. I'm sure that it surprised some people
who will see the film that you can actually do that

back when the MIR was still orbiting earth, I and several friends had a
few QSO's with them on Packet radio, nothing like getting to talk via
keyboard to our russian friends in space. I lost the copies I had of
these, but one friend still has the text file of his and my "talks"
with MIR...

73 de Dave
N0TXW