Why NASA Is Crashing A $300m Spacecraft Into An Asteroid

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Other

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Available under a Creative Commons Attribution Non-Commercial Share Alike 4.0 International Licence

Disciplines

2. ENGINEERING AND TECHNOLOGY

Abstract

Just after midnight on September 27th next, NASA will crash a $300 million space probe called DART into a small asteroid called Dimorphos some 11 million kilometres from Earth. So why would the world's leading space agency build such an expensive probe, only to then crash it intentionally into a nearby celestial object?

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