Imagine that you are a boy or girl scout wandering around Mars using your trusty compass to navigate. Congratulations—you're lost! As your air slowly runs out and you lie wondering where it all went wrong, I'll explain what happened, the connection between your useless compass and the cold, thin, toxic Martian atmosphere, and what those faint lights in the sky are. Maybe you can get a merit badge as consolation.
Dave Brain (yes... 'Dr. Brain'... it is very embarrassing) is a planetary space physicist from UC Berkeley who studies the connections between magnetic fields and atmospheres at Mars and other planets. He can't believe that people are willing to pay him to think about planets all day. And he never made it past Webelos.
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