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International effort to understand asteroids and protect Earth from their threat

April 2, 2015

Two robotic missions, aimed at gaining further understanding into the threat of asteroids, passed major milestones this week.

Source: www.nasaspaceflight.com

OSIRIS-REx, due to launch soon will return just over two grams of material from asteroid Bennu. In what way will the gazillion dollar ARM mission be better than this? Astronauts will bring back a lunchbox full of asteroid rocks instead of two grams, but does that justify the cost?

See on Scoop.itNew Space

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