Ad Astra 2011 Spring (Volume 23 Number 1)
- 14
STEPS FOR PLANETARY DEFENSE
By Tom Jones - 20
GOING THE DISTANCE (AND BEYOND) ON MARS
The Explorations of Spirit and Opportunity
by William Farrand - 26
INTERNATIONAL SPACE DEVELOPMENT CONFERENCE 2011 — FROM THE GROUND UP
Gala Underneath a Real Saturn V
By Bart Leahy and Yohon Lo - 30
ASTEROID MINING AND RESOURCE VALUE
Asteroid resources have a number of advantages over those available on the Moon or other planetary surfaces.
By Brad R. Blair - 34
FISHING FOR SPACE DEBRIS
By Dave Baiocchi and William Welser IV - 38
PRIVATE SPACEFLIGHT TAKES OFF
By Brad Cheetham and Brice Russ - 41
GOOGLE LUNAR XPRIZE UPDATE By William Pomerantz - 44
THE KALAM-NSS INITIATIVE
An International Preliminary Feasibility Study of Space Solar Power
By Mark Hopkins
- 8
LETTER FROM HEADQUARTERS
Extreme Politics
By Gary Barnhard - 9
LETTER FROM THE PUBLISHER
By Pat Silver - 11
NSS ANNOUNCEMENTS
Solar Cycle 24 Comes in Like a Lamb
By W. Dean Presnell - 12
NSS CORRESPONDENCE
An Update for NSS Space Ambassadors
By Lee Jones - 47
STATEMENT FROM THE CHAIRMAN OF THE EXECUTIVE COMMITTEE
NSS at the NASA Senior Leader Retreat: Our Vision Continues to Spread
By Mark Hopkins
- 47
BOOKS
The 4% Universe: Dark Matter, Dark Energy, and the Race to Discover the Rest of Reality, by Richard Panek
Reviewed by Charlene Brusso
Robert A. Heinlein: In Dialogue With His Century: Volume 1 (1907-1948): Learning Curve, by William H. Patterson
Reviewed by Clifford R. McMurray
Foothold in the Heavens: The Seventies, by Ben Evans
Reviewed by Steve Adamczyk - 50
CHAPTER LISTINGS - 55
SIGNING OFF
The Greatest Stars
Ad Astra 2011 Spring (Volume 23 Number 1)
- 14
STEPS FOR PLANETARY DEFENSE
By Tom Jones - 20
GOING THE DISTANCE (AND BEYOND) ON MARS
The Explorations of Spirit and Opportunity
by William Farrand - 26
INTERNATIONAL SPACE DEVELOPMENT CONFERENCE 2011 — FROM THE GROUND UP
Gala Underneath a Real Saturn V
By Bart Leahy and Yohon Lo - 30
ASTEROID MINING AND RESOURCE VALUE
Asteroid resources have a number of advantages over those available on the Moon or other planetary surfaces.
By Brad R. Blair - 34
FISHING FOR SPACE DEBRIS
By Dave Baiocchi and William Welser IV - 38
PRIVATE SPACEFLIGHT TAKES OFF
By Brad Cheetham and Brice Russ - 41
GOOGLE LUNAR XPRIZE UPDATE By William Pomerantz - 44
THE KALAM-NSS INITIATIVE
An International Preliminary Feasibility Study of Space Solar Power
By Mark Hopkins
- 8
LETTER FROM HEADQUARTERS
Extreme Politics
By Gary Barnhard - 9
LETTER FROM THE PUBLISHER
By Pat Silver - 11
NSS ANNOUNCEMENTS
Solar Cycle 24 Comes in Like a Lamb
By W. Dean Presnell - 12
NSS CORRESPONDENCE
An Update for NSS Space Ambassadors
By Lee Jones - 47
STATEMENT FROM THE CHAIRMAN OF THE EXECUTIVE COMMITTEE
NSS at the NASA Senior Leader Retreat: Our Vision Continues to Spread
By Mark Hopkins
- 47
BOOKS
The 4% Universe: Dark Matter, Dark Energy, and the Race to Discover the Rest of Reality, by Richard Panek
Reviewed by Charlene Brusso
Robert A. Heinlein: In Dialogue With His Century: Volume 1 (1907-1948): Learning Curve, by William H. Patterson
Reviewed by Clifford R. McMurray
Foothold in the Heavens: The Seventies, by Ben Evans
Reviewed by Steve Adamczyk - 50
CHAPTER LISTINGS - 55
SIGNING OFF
The Greatest Stars
