The National Space Society vision is people living and working in space

Ad Astra Summer 2007

Ad Astra

The magazine of the
National Space Society

Volume 19, Number 2
Summer 2007

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Featured Articles:

14
SPACE BUSINESS BOOMING ALONG THE SOUTHWEST "ROCKET BELT"
From Texas to New Mexico up into California's Central Valley, space entrepreneurs are setting up shop.
By Leonard David

18
SPACE-BASED WEAPONS:
A LEGACY OF DISASTER AND DISCOVERY

China's recent show of military strength in space echoes the parry and feint of the U.S. and Soviet Union during the Cold War. A history lesson could help us avoid any further escalation.
By Jim Oberg

20
EARTH TWO?
Once only a theory, a newly discovered world may be similar to our own.
By Ker Than

25
SPECIAL REPORT
GREEN REVOLUTION IN THE FINAL FRONTIER

Introduction by Loretta Hidalgo Whitesides

26
WANTED: SOMEONE TO WATCH OVER US
As global climate change becomes accepted as a reality, space-based assets take center stage.
By Leonard David

28
IN THE LIGHT OF AN ANGRY SUN
Our Sun warms and coaxes life on Earth, but its gift of energy is a double-edged sword.
By Dr. Barbara J. Thompson

30
HARD LIFE FOR MICROBES AND HUMANS ON THE RED PLANET
Unless humanity is cautious, the search for life on Mars may cause more harm if it is indeed found.
By Dr. Christopher P. McKay

32
CLEAR SKIES:
UNDERSTANDING THE ORBITAL DEBRIS PROBLEM

Not content to keep his litter planetside, mankind has exported the problem into low Earth orbit, endangering his own explorations.
By Dr. Jonathan W. Campbell

36
THE WINNERS OF THE 2007 NSS SPACE SETTLEMENT ART CONTEST
By Jim Plaxco
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Departments:

5
LETTER FROM HEADQUARTERS
The Spacefarer's Oath
By George Whitesides, NSS Executive Director

20
OPINION
NASA Needs the Institute for Advanced Concepts
By Matthew Silver

42
REVIEW
Spacecraft Films Apollo DVDs
Reviewed by Robert Z. Pearlman

43
COMMUNITY
Finding Community
By Gary Barnhard, Chairman of the Executive Committee

44
SPOTLIGHT
National Space Society Selects International Space University Scholarship Winners

45
CHAPTER LISTINGS

48
SIGNING OFF
Kennedy Space Center: 45 Years of Service
The missions change, but America's leading spaceport rises to the occasion time and time again.
By Jim Banke

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