Ad Astra 2021 Winter

Ad Astra 2021-1

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Featured Articles:

12
A SAFE TOUCHDOWN FOR PERSEVERANCE
The Quest for Life on Mars Begins

By Rod Pyle

19
GERARD K. O’NEILL: A HEROIC LIFE
By Emily Carney

24
HOMESTEADING THE HIGH FRONTIER IS ABOUT TO GET REAL
A Conversation with Space Entrepreneur Joel Sercel

By Melissa Silva

34
THE SOLAR SYSTEM’S LIMITS TO GROWTH
An Updated Model for O’Neill Habitats

By Jeffrey Greenblatt, Ph.D.

40
COSMIC DREAMING AND QUARANTINING
Space Settlement and COVID-19
By John F. Kross

50
MARS HAS MOXIE!
By Rod Pyle with Dr. Michael Hecht

54
BUT DON’T COUNT THE MARTIANS OUT
Rumors of Martian Independence Have Been Greatly Exaggerated
By Michelle Hanlon

60
DO YOU HAVE THE RIGHT PSYCHOLOGICAL STUFF TO LIVE IN A SPACE SETTLEMENT?
By Nancy Atkinson

64
GOING INTERSTELLAR:
The Bold Vision of Jeff Greason

By Rhonda Stevenson, Rod Pyle, and Melissa Silva

70
FACING ARGUMENTS AGAINST SPACE SETTLEMENT
By Al Globus

77
ARE LAVA TUBES THE RIGHT PLACE FOR SETTLEMENTS ON THE MOON AND MARS?
By Rod Pyle

84
WHICH FLOOR PLEASE? GEO, MOON, OR MARS?
A New Architecture for Space Elevators
By Pete Swan, Ph.D., and Cathy Swan, Ph.D.

90
STUDIES IN SPACE SETTLEMENT
The NSS Literature Review
By Hanna Rens

Departments:

9
From the Editor: SPACE SETTLEMENT, THE BIG VISION
By Rod Pyle

11
From the NSS Chief Operating Officer
WHY SPACE SETTLEMENT?
By Dale Skran

93
BOOKS

America’s New Destiny in Space, by Glenn Harland Reynolds
Space is Open for Business, by Robert C. Jacobson
Reviewed by Mark Lardas

Star Settlers: The Billionaires, Geniuses, and Crazed Visionaries out to Conquer the Universe, by Fred Nadis
Reviewed by Dale Skran

95
NSS CHAPTERS

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