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Perhaps it was noctilucent clouds? See e.g https://en.m.wikipedia.org/wiki/File:SpaceX_Noctilucent_Cloud.jpg https://en.m.wikipedia.org/wiki/File:SpaceX_Noctilu
by cpach 8y ago
Perhaps it was noctilucent clouds? See e.g https://en.m.wikipedia.org/wiki/File:SpaceX_Noctilucent_Cloud.jpg https://en.m.wikipedia.org/wiki/File:SpaceX_Noctilucent_Clou...
- athenot 8y agoThanks for the link, I learned something! But that doesn't fit because it was in winter and in the dead middle of the night, somewhere between Canada and Iceland.
- deleted 8y ago[deleted]