Image credit: NASA, of the Apollo 1 crew.

The Tragedy Of Apollo 1 And The Lessons That Brought Us To The Moon

The first of the three great NASA disasters — Apollo 1, Challenger and Columbia — happened 49 years ago. Look back.

Ethan Siegel
Starts With A Bang!
8 min readFeb 2, 2016

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“If we die, we want people to accept it. We’re in a risky business, and we hope that if anything happens to us it will not delay the program. The conquest of

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Ethan Siegel
Starts With A Bang!

The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.