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Mom, I need a flowchart.
Sorry honey, we’re all out, but I think there’s a btree in the pantry.
Where does gamma ray burst fit into this binary tree?
“Do you have a neutrino detector?” Yes/No
If it’s foggy it can also be reflections from ground-based stuff
Well that settles that then.
One important one: is it more than an hour or so after sundown, or less than an hour or so before sunup? If so, it’s not a satellite, and is probably a plane.