this post was submitted on 28 Sep 2024
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Science Memes

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359
What's that light? (mander.xyz)
submitted 5 days ago by [email protected] to c/[email protected]
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[–] [email protected] 32 points 5 days ago

Mom, I need a flowchart.

Sorry honey, we're all out, but I think there's a btree in the pantry.

[–] [email protected] 36 points 5 days ago* (last edited 5 days ago) (1 children)

Are there 3-4 in a row? Starlink sattelites.

[–] [email protected] 6 points 5 days ago

Or iridium flares

[–] [email protected] 22 points 5 days ago (1 children)

So what if it is the ISS but nobody is waving? How are we supposed to know?

[–] [email protected] 3 points 4 days ago

Then it's an artificial satellite. And, tbh, isn't the ISS just a specific, very large artificial satellite?

[–] [email protected] 15 points 5 days ago (1 children)

They're missing a lot of items here like missiles, ufos, and wind mills.

[–] [email protected] 5 points 5 days ago

swamp gas

[–] [email protected] 8 points 5 days ago* (last edited 5 days ago) (1 children)

Where does gamma ray burst fit into this binary tree?

[–] [email protected] 3 points 4 days ago

"Do you have a neutrino detector?" Yes/No

[–] [email protected] 7 points 4 days ago

first time ive encountered "bolide"

[–] [email protected] 6 points 4 days ago (1 children)

Comets don't move I guess

[–] [email protected] 5 points 4 days ago

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.

[–] [email protected] 10 points 5 days ago

If it's foggy it can also be reflections from ground-based stuff

[–] [email protected] 4 points 4 days ago

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.

[–] [email protected] 3 points 5 days ago

Well that settles that then.