RainbowSingularity
Valued Senior Member
'Except that because it is in space the spiral stays perfect over hundreds of miles because there is no air to mess up the shape - that's why it looks surprising to us, we're not used to seeing such perfect geometries because on Earth there's always wind or friction to distort things'
Consensus is that it's part of a falcon-9 rocket 2nd-stage re-entering, having been launched c.2 hours earlier in California:With the live time of 05:05:17 on 17/04/22 and location Subaru-Asahi star camera Hawaii someone smarter than I could check for aircraft, funny aircraft?? I don't rule out photoshopped ect ect.
An observatory in Mauna Kea, Hawaii captured footage of a flying spiral making its way through the night sky in the early morning hours of 18 January. Scientist believe the phenomenon is connected to the launch of a SpaceX satellite.