As the world looks back at manned space flight, a trail blazed by Yuri Gagarin's 108-minute trip around the planet 50 years ago, critics wonder if it's all been just a cosmic waste of money.
Source: http://www.cosmosmagazine.com/news/4213/are-manned-missions-a-waste-space
Adrianne Palicki Aisha Tyler Aki Ross Alecia Elliott Alessandra Ambrosio Alexis Bledel Ali Campoverdi
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