Category Dear CA

278.3 Snippet_Interstellar travel?

It’s really far.

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279.2 Snippet_Primordial black holes

Small dark strangers.

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279. Dear Cheap Astronomy – Episode 59

Mars – very dusty and crap acoustics.

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278.3 Snippet_Helical drive

Another physics fail?

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278.2 Snippet_Nucleosynthesis revisited

How the periodic table came to be.

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