Ad Astra
The magazine of the National Space Society
Volume 19, Number 4 Winter 2007
Return to Back Issue Index
Featured Articles:
15
NASA’S DAWN MISSION:
OPENING UP ASTEROIDS TO SPACE SETTLEMENT?
Testing a new ion thruster in uncharted space may be the main mission, but observers see potential beyond just exploring the Asteroid Belt.
By Charles Q. Choi
17
MAKING ROOM
Turning the Internationsl Space Station from a three-person to six-person occupancy vehicle will be trickier than it looks.
By James Oberg
19
THE X PRIZE CUP:
A REPORT FROM THE FIELD OF DREAMERS
Despite a financial setback and a lack of a winner in the Lunar Lander Challenge, this year’s event showed that investors and innovators still believe in New Space.
By Leonard David
24
THE TOP 20 SPACE VISIONARIES
32
PUBLIC SPACE:
NEW ADVENTURES IN EXPLORATION
By Jeff Foust
42
2007 NSS MEMBERSHIP SURVEY
The results of this year’s survey.
Departments:
5
LETTER FROM
HEADQUARTERS
What Is Your Vision for Space?
By George Whitesides, NSS Executive Director
14
LAUNCH PAD
New National Space Society Philosophy Statement
22
OPINION
Barbara Morgan Achieves Her Mission:
A Personal Account by a Fellow Teacher
By Penny Lee Glackman
38
BOOK REVIEW
Von Braun: Dreamer of Space, Engineer of War
Reviewed by John F. Kross
39
COMMUNITY
Getting It Right! Cooperation on all levels makes a difference.
By Gary Barnhard, Chairman of the Executive Committee
40
SPOTLIGHT
National Space Society Chapters Activities Update
45
CHAPTER LISTINGS
48
SIGNING OFF
Columbia: Five Years On
The space shuttle disaster changed the way NASA used to do business.
By James Oberg