This episode of Aska Spaceman is brought to you by my friends at BetterHelp. Better Help provides

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I don't think I've ever done something like this before.

I've revisited topics before to go into more detail or to focus on a slightly different angle.

Oh, and there was that one episode about falling into a black hole where I got something wrong about the horizon, what you'd

experience there. And so I redid that episode. So that kind of counts. But as you know, I do not

have a lot of notes in front of me when I record. I sit in front of my microphone and I keep talking

until I'm done talking. Thankfully, I have a wonderful editor shout out to Kathy,

so I sound somewhat coherent. But anyway, a few weeks or months, what is time anyway?

I did an episode on the age of the universe and the current so-called crisis in cosmology.

Originally, it was supposed to be an episode on how do we measure

...