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.
this post was submitted on 28 Sep 2024
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Comets don't move I guess
I think that's fair. Comets don't appear to move across the sky unless you're observing for a long time...and anyone observing for that long needs a more complex diagram.
They're missing a lot of items here like missiles, ufos, and wind mills.
swamp gas
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
So what if it is the ISS but nobody is waving? How are we supposed to know?
Then it's an artificial satellite. And, tbh, isn't the ISS just a specific, very large artificial satellite?
Are there 3-4 in a row? Starlink sattelites.
Or iridium flares
Well that settles that then.
If it's foggy it can also be reflections from ground-based stuff
first time ive encountered "bolide"