Category Physics and astrophysics

183. Dear Cheap Astronomy – Episode 014

This week we work through more great questions.

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181. Fun with photons.

Fun facts about the things that make astronomy work.

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173. Habitable zones

Cheap Astronomy keeps you in the zone.

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170. Some observations on speed and energy

Cheap Astronomy’s calorie control plan

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156. How to colonize the galaxy

Broadcasting humanity.

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