Recently, President Obama spoke at NASA’s Kennedy Space Center (KSC) to announce his new proposed direction for the US space agency: skip the moon, send man to a near-Earth asteroid (NEO) by the mid 2020’s and use this new technological know-how to get humans to our ultimate goal — Mars.
Why should we, as a race, support human spaceflight? This is one of the key questions hanging over the world’s space agencies in these hard economic times. It turns out that one answer is very simple: to protect Earth from civilization-ending asteroid impacts.But this is not so simple. Is this cos effective?
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