How NASA’s Mission to Pluto Was Nearly Lost

The inside story of the New Horizons probe

Nautilus
Nautilus
Jun 26, 2019 · 16 min read

By Alan Stern and David Grinspoon

On the Saturday afternoon of July 4, 2015, NASA’s New Horizons Pluto mission leader Alan Stern was in his office near the project Mission Control Center, working, when his cell phone rang. He was aware of the Independence Day holiday but was much more focused…

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