The viewscreen lit up and with it the hypercom panel for interstellar communications came to life.

Killashandra listened, too, to subtler opinions on the wisdom of instant interstellar communications.

The fact that all interstellar communications traveled by ship made such an arrangement the only practical one.

These "magic places" in the spectrum would presumably be recognized by another advanced civilization as the frequencies of choice for interstellar communications.

We control interstellar communications, it should be enough to prevent them merging to form a genuine threat.

A similar argument holds that interstellar physical travel may be possible, but is much more expensive than interstellar communication.

Another factor is the energy needed for interstellar communications to arrive reliably.

Majipoor is somewhat isolated from the rest of the Galaxy, but interstellar communications have never been broken altogether.

"It would be tragic for the first of interstellar communications to be unfriendly!"

Few will deny the profound importance, practical and philosophical, which the detection of interstellar communications would have.