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Biographie et livres de Les Johnson

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Les Johnson is a physicist and NASA technologist at the George C. Marshall Space Flight Center where he is the Principal Investigator for flight demonstration of advanced space technology systems including solar sails, power systems, and most recently, space based solar power. He was the co-investigator on the Japanese-led T-Rex space tether experiment that flew in August 2010, the Principal Investigator for the NASA ProSEDS space experiment, received NASA’s Exceptional Achievement Medal three
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Téléchargez le livre :  Solar Sails
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Solar Sails

Les Johnson , Gregory L. Matloff , Giovanni Vulpetti


Springer

2014-11-05

ePub

The reality of sunlight-based sailing in space began in May 2010, and solar sail technology and science have continued to evolve rapidly through new space missions. Using the power of the Sun's light for regular travel propulsion will be the next...

47,46

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Télécharger le livre :  Harvesting Space for a Greener Earth
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What was our planet like in years past? How has our civilization affected Earth and its ecology? Harvesting Space for a Greener Planet, the Second Edition of Paradise Regained: The Regreening of the Earth, begins by discussing these questions, and then generates a...

Editeur : Springer
Parution : 2014-04-07

ePub

34,80
Télécharger le livre :  Living Off the Land in Space
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Human civilization has evolved to the point at which we can consider tapping space resources and expanding beyond Earth’s atmosphere. The Introduction surveys possible motivations for large-scale human emigration to space. Since our early ancestors began to move out of...

Editeur : Copernicus
Parution : 2007-08-24

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22,67