Read Going Interstellar Online

Authors: Les Johnson,Jack McDevitt

Going Interstellar

 

BAEN BOOKS

by Les Johnson

 

with Travis S. Taylor:

Back to the Moon

 

edited wth Jack McDevitt:

Going Interstellar

 

 

 

 

 

GOING INTERSTELLAR

 

This work contains fiction. All the characters and events portrayed in the short fiction within this book are fictional, and any resemblance to real people or incidents is purely coincidental.

 

Copyright © 2012 by Les Johnson and Jack McDevitt

 

All rights reserved, including the right to reproduce this book or portions thereof in any form.

 

“Introduction,” © 2012 by Les Johnson, “Choices,” © 2012 by Les Johnson, “A Country For Old Men,” © 2012 by Ben Bova, “Antimatter Starships,” © 2012 by Dr. Gregory Matloff, “Lucy,” © 2012 by Jack McDevitt, “Lesser Beings,” © 2012 by Dr. Charles E. Gannon, “Fusion Starships,” © 2012 by Dr. Gregory Matloff, “Project Icarus,” © 2012 by Dr. Richard Obousy, “Design Flaw,” © 2012 by Louise Marley, “Twenty Lights to ‘The Land of Snow’” © 2012 by Michael Bishop, “Solar and Beamed Energy Sails,” © 2012 by Les Johnson, “The Big Ship and the Wise Old Owl,” © 2012 by Sarah A. Hoyt, “Siren Song,” © 2012 by Mike Resnick

 

All NASA images and graphics are used on a nonexclusive basis, and their use does not explicitly or implicitly convey NASA's endorsement of commercial goods, services, or any written statements of fact, fiction, or opinion, including the contents of Going Interstellar.

 

Illustration, “Introduction,” by Les Johnson background image courtesy NASA. © 2012 NASA.

Figure 1,
“Antimatter Spaceships,” by Gregory Matloff courtesy NASA. © 2012 NASA, Image ID: MSFC-9906272.

Figure 2
, “Fusion Starships,” by Gregory Matloff courtesy NASA. © 2012 NASA, Image ID: MSFC-9906378.

Figure 3,
“Fusion Starships,” by Gregory Matloff courtesy NASA. © 2012 NASA, Image ID: MSFC-9906399.

Figure 4
, Starship with 24 Drop Tanks (Midflight Configuration) © 2012 Geoff Landis. Nonexclusive world reproduction right granted.

Figure 5,
“Solar and Beamed Energy Sails,” by Les Johnson courtesy NASA. © 2012 NASA, Image source: http://www.nasa.gov/centers/marshall/multimedia/exploration_gallery.html.

Figure 6,
“Solar and Beamed Energy Sails,” by Les Johnson courtesy Japanese Aerospace Exploration Agency via Japanese Space Forum. © 2012 JAXA. Image source: http://www.jaxa.jp/press/2010/06/20100616_ikaros_e.html. Nonexclusive world reproduction right granted. This use does not explicitly or implicitly convey JAXA’s endorsement of commercial goods, services or any written statements of fact, fiction, or opinion, including the contents of Going Interstellar.

Figure 7,
“Solar and Beamed Energy Sails,” by Les Johnson © 2012 Hughes Research Laboratories, LLC. Nonexclusive world reproduction right granted.

Figure 8
, “Solar and Beamed Energy Sails,” by Les Johnson © 2012 Les Johnson. Nonexclusive world reproduction right granted.

 

Baen Publishing Enterprises

P.O. Box 1403

Riverdale, NY 10471

www.baen.com

 

ISBN: 978-1-4516-3778-6

 

Cover art by Sam Kennedy

 

First Baen printing, June 2012

 

Distributed by Simon & Schuster

1230 Avenue of the Americas

New York, NY 10020

 

Library of Congress Cataloging-in-Publication Data: TK

 

Printed in the United States of America

 

10 9 8 7 6 5 4 3 2 1

 

DEDICATION

 

To Jennifer and Gail,

My sisters—with love.

Les Johnson

 

***

 

To Matt Campbell,

Who, if we get to Mars,

will probably be first out of the ship.

Jack McDevitt

 

 

 

 

FOREWORD

 

As a child
I watched Neil Armstrong walk on the Moon. Shortly thereafter I began to catch reruns of
Star Trek
on television and from that point forward I was hooked.
Star Trek
,
Star Wars
,
The Foundation Trilogy
,
Rendezvous with Rama
, and others both inspired and challenged me. I studied physics and eventually landed my dream job at NASA. Midway through my career (so far), I went out on a professional limb and found myself researching propulsion systems for interstellar flight and having the coolest job title of my career, “NASA Manager for Interstellar Propulsion Research.” That’s no longer my job title. (But I kept the business cards!)

Unfortunately, that was also the end of NASA actually funding interstellar propulsion research. There have been a few minor studies since then, mostly performed by universities, but without serious investment. While some of these studies may have made important contributions toward our eventually becoming an interstellar species, the funding has been too low to actually help make it happen. Alas.

A few years later I was taking one of those management courses in which you have to create a poster that describes how you want to be remembered. The goal was to remind us that there is more to life than our work and, while I agree completely and I try to be both a devoted husband to my wife and a dedicated father to my children, it would be impossible to take the futurist and space advocate out of my life and then expect me to still be “me.” So when it came time to present my poster, I showed the class a drawing of our interstellar neighborhood and my sincere wish—that when the history of the first human colony on a habitable planet circling one of our nearby stars is written, that my name will at least be mentioned in a footnote. That’s it. A footnote—and what a footnote I hope it will be!

 


Les Johnson

 

 

INTRODUCTION

 

 

What’s out there?
The answer to that question involves some practical issues. Are we alone or is there someone else to whom we might one day be able to say hello? What will we do to ensure the survival of the human race if a large asteroid comes our way? Is there enough room on this planet for all of us and for the millions more who continue to arrive regularly?

 

 

Some of us humans aren’t content to stay in one place very long. There’s something about a crowded environment that makes us restless. We want to move on, to see new things, to have more space and to go places, to paraphrase Captain Kirk, where nobody’s already hanging out. The problem is that we’ve just about filled all the available locations on Earth.

Some of us are satisfied living our lives using essentially the same zip code we were born into. We may never really care to look above the rooftops. But many of us are curious about what’s out beyond the next village. About what’s over the horizon. We want to know if there are others like us, peering out at the stars with their telescopes, also wondering if they are alone. Someone with whom we might sit down and enjoy a pizza and trade notions about how the universe works. And maybe one day reminisce about visits to distant stars and worlds that light up at night.

Another concern is that our existence as a species might be short-lived unless we provide some insurance for ourselves. Unless we do something to spread our seed beyond the world that gave us birth. The fossil record is full of species that were at one time masters of the planet. Our existence is but a small part of the planet’s history and that history has not been kind to many of its previous inhabitants. How might we go extinct?

Seriously? There are a number of possibilities. Supernova fallout is one. All we’d need is the collapse of an unstable star in the general neighborhood to bathe us in radiation. (It’s even possible such a collapse has already happened, but the light and the shock wave just haven’t gotten here yet.) Or a brown dwarf could drift into the system and collide with the Sun. Lights would go out and real estate values in Florida would plunge. We might do the damage ourselves by waging nuclear war. And we’re well on our way to overpopulating the planet.

We therefore have a strong argument for moving some of us into space and out of the immediate danger zone. Looking at history, and at what’s going on in the world today, we know that the course of events is utterly unpredictable and potentially lethal. Where, then, do we go? And how do we get there?

There’s no place within the solar system that would allow the existence of a self-sustaining colony. So we have to look beyond its limits.

We’ve asked a diverse set of science fiction authors to speculate on what an interstellar voyage based on real physics might actually look like. We also asked some scientists and engineers who think about such things as interstellar travel to weigh in on how it might be accomplished. You hold the result in your hands: an anthology of adventures replete with danger, ingenuity, hope, love and loss, with a surprise or two thrown in. And a few essays describing exotic strategies that might one day allow us to reach the stars. Beware: One of our guidelines for both the fiction and the non-fiction is that any method of traveling to the stars has to be based on what we currently know about how the universe works. You won’t find faster-than-light drives, hyperjumps or star gates within these pages.

For those interested in interstellar travel and wondering what they can do to help make it happen we highly recommend you find a way to get involved with the Tau Zero Foundation. Please check out their website for more information: http://www.tauzero.aero/

 

Ad Astra!

 

—Les Johnson and Jack McDevitt

 

 

 

 

CHOICES

 

Les Johnson

 

 

Interstellar flight is the most audacious of human dreams. Barring a Star Trek breakthrough, the voyage will require a high level of technology, and people willing to get on board for a destination so far distant in time and space that most of them will not live to see it. We can only admire the talent of those who might make it possible, and the courage of those heading out for Rigel or wherever. Despite all our efforts, the technology may, at some critical point, break down. So we will of course build in as much redundancy as we can. Unfortunately we cannot do the same for the passengers.

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