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James_Miller comments on [Link]: KIC 8462852, aka WTF star, "the most mysterious star in our galaxy", ETI candidate, etc. - Less Wrong Discussion

5 Post author: jacob_cannell 20 October 2015 01:10AM

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Comment author: James_Miller 20 October 2015 02:28:29AM 2 points [-]

What's the probability that this is caused by aliens?

Submitting...

Comment author: jacob_cannell 20 October 2015 06:21:45AM 18 points [-]

The probability that any specific observation is caused by aliens is so heavily influenced by priors/models that it's more interesting to consider conditionals such as P(aliens caused WTF | aliens exist) or P(WTF observations | aliens caused WTF).

Comment author: Nate646 20 October 2015 06:05:37AM 7 points [-]

*What's the probability that this is caused by aliens? *

What is your own probability estimate? I am not sure I can accurately distinguish between below 1/100,000 and between 1/10,000 and 1/100,000. With probabilities this small I am not sure that any estimate is useful

Comment author: MarsColony_in10years 20 October 2015 05:31:50PM 4 points [-]

Another way of saying "below 1/100,000 chance of aliens" is "above 99.999% chance of natural causes". That seams awefully certain of the unlikelyness of aliens. I'm pretty sure it's not aliens, but I'm not that confident. I'd happily lose a dollar in that bet, if someone wanted to wager $100,000 against it.

Comment author: Luke_A_Somers 20 October 2015 12:07:56PM 2 points [-]

it would tell you how much more evidence you would need to begin taking it seriously. That said, agree that it's not very useful.

Comment author: iarwain1 20 October 2015 05:14:29PM *  3 points [-]

Can you put in an "I'd just like to see the results" option?

Comment author: OrphanWilde 20 October 2015 10:03:37PM 0 points [-]

My guess is somewhere between .2% and 2%, depending on how many stars have actually been examined, a figure I don't know.