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Ad Astra Volume 27 Number 3

Ad Astra

The magazine of the
National Space Society

Volume 27, Number 3
Fall 2015

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Back Issue Index

Cover image: Image from the Long Range Reconnaissance Imager (LORRI) aboard NASA’s New Horizons spacecraft, taken on July 13, 2015 when the spacecraft was 476,000 miles (768,000 kilometers) from the surface of Pluto. Image credit: © NASA/APL/SWRI.

Featured Articles:

12
ISDC 2015:
INNOVATION IN MORE THAN TECHNOLOGY

By Clifford R. McMurray

16
BATTLE OF THE COLOSSI:
SLS VS. FALCON HEAVY

By Dale Skran

22
COUNTDOWN TO PLUTO ENCOUNTER
By Clifford R. McMurray

26
HAYABUSA2:
A Significant Milestone on the Road to Space Settlements

By Dale Skran

30
STEAM INTO SPACE:
Silicon Valley STEAM Colloquium Challenges Educators

By Tiffani Crawford and Tenesa Ellis

36
RETURN TO THE MOON INTERNATIONAL LUNAR DECADE WORKSHOP
By Dave Dunlop

37
NEW TECHNOLOGIES TO MITIGATE THE HEALTH HAZARDS OF SPACE TRAVEL
By Bill Gardiner

38
ISDC 2015 HIGHLIGHTS THREE STUDENT CONTESTS:
A GLOBAL SHARE-A-THON
By Lynne F. Zielinski

40
2015 INTERNATIONAL SUNSAT DESIGN COMPETITION
By Don Flournoy and Kyle Perkins

42
NATIONAL SPACE SOCIETY AWARDS HONORREES AT ISDC 2015
By John K. Strickland

43
NSS JOINS FORCES WITH SPACE FRONTIER FOUNDATION TO FORM THE ALLIANCE FOR SPACE DEVELOPMENT (ASD)
By Dale Skran

Departments:

7
LETTER FROM THE PUBLISHER
By Pat Silver

8
NSS ANNOUNCEMENTS
International Lunar Decade Unveiled at NSS Conference
By Dale Skran

10
NSS CORRESPONDENCE
NASA’s 3-D Printed Habitat Challenge
By Fred Becker

46
LETTER FROM THE EXECUTIVE COMMITTEE CHAIR
We Are Winning
By Mark Hopkins

48
BOOKS
Elon Musk, by Ashlee Vance
Reviewed by Robert A. Lee
Leaving Orbit: Notes from the Last Days of American Space Flight, by Margaret Lazarus Dean
Reviewed by Charlene Brusso

50
CHAPTER LISTINGS

53
2014 CHAPTER AWARDS
By Larry Ahearn and David Stuart

55
SIGNING OFF
Expedition 43 Soyuz Landing

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