this post was submitted on 28 Sep 2024
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Science Memes

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top 16 comments
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[–] jol@discuss.tchncs.de 36 points 3 weeks ago* (last edited 3 weeks ago) (1 children)

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

[–] Shadow@lemmy.ca 6 points 3 weeks ago

Or iridium flares

[–] TunaCowboy@lemmy.world 34 points 3 weeks ago

Mom, I need a flowchart.

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

[–] JoShmoe@ani.social 23 points 3 weeks ago (1 children)

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

[–] Iron_Lynx@lemmy.world 3 points 3 weeks ago

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

[–] 4oreman@lemy.lol 16 points 3 weeks ago (1 children)

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

[–] TonyTonyChopper@mander.xyz 5 points 3 weeks ago
[–] Cenotaph@mander.xyz 10 points 3 weeks ago

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

[–] AlbinoPython@lemmy.world 8 points 3 weeks ago* (last edited 3 weeks ago) (1 children)

Where does gamma ray burst fit into this binary tree?

[–] FlyingSquid@lemmy.world 3 points 3 weeks ago

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

[–] sqw@lemmy.sdf.org 8 points 3 weeks ago

first time ive encountered "bolide"

[–] Comment105@lemm.ee 7 points 3 weeks ago (1 children)
[–] el_abuelo@programming.dev 6 points 3 weeks 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.

[–] frezik@midwest.social 5 points 3 weeks 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.

[–] homesweethomeMrL@lemmy.world 3 points 3 weeks ago

Well that settles that then.

[–] Justas@sh.itjust.works 2 points 2 weeks ago

I once saw a slow moving light just above me. The town I live at covered in mist at the time. Turns out it was a small aircraft flying just a few meters above my apartment building. A few meters away from disaster.