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Jul 9, 2018 at 16:57 comment added Ruslan @Gx1sptDTDa the geometry of the picture implies that no: you see the sun originating from the surface, and only from there. If you were seeing the red line, you'd also see the Sun (the line which would connect the sun and the end of the red line doesn't cross the Earth).
Jun 21, 2015 at 14:59 vote accept Gx1sptDTDa
Feb 9, 2015 at 7:56 comment added Gx1sptDTDa Would the red line be impossible to see even when flying at an altitude of 11km?
Feb 7, 2015 at 17:32 comment added mmesser314 See en.wikipedia.org/wiki/Mirage for more information. And while you are at it, en.wikipedia.org/wiki/Green_flash
Feb 7, 2015 at 14:16 history answered Floris CC BY-SA 3.0