He had steeled himself just a little for the Jump through hyper-space, a phenomenon one did not experience in simple interplanetary trips.

Older pilots thought of interplanetary trips with a rocket-man's bias, in terms of years-trips that a torch ship with steady acceleration covered in days.

In Delany's vision of the near future, hard radiation encountered by spaceship crews on long interplanetary trips has made necessary the surgical removal of their reproductive organs.

The interplanetary trip covered the distance of 352 million miles in 253 days.

Such a radiation shield would be particularly useful on an interplanetary trip or on Mars, which, unlike Earth, has no magnetic field to trap solar radiation above the planet.

I'm still waiting for that interplanetary trip you and your dad keep talking about, to visit your space friends.

"So you attempted a suicidal interstellar journey home with a small vessel designed basically for interplanetary trips?"

Sixteen transports, capable of moving twenty thousand people each, with drives capable of making interplanetary trips in one to two hours, are available.

Gate orbits can therefore be very useful for minimising the delta-v budget for an interplanetary trip.

Such lengthy times seem to argue against the idea of life's surviving the interplanetary trip.