Category astronauts

354.2 Cosmic Rays Part 2

The shielding options are not glamorous.

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354.1 Cosmic Rays Part 1

Space radiation.

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352.2 The wait calculation

Stand by.

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342. Dear Cheap Astronomy – Episode 115

Two steps (at least).

Transcript.

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333. Dear Cheap Astronomy – Episode 108

Building the future.

Transcript.

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