The blue field entoptic phenomenon is an entoptic phenomenon characterized by the appearance of tiny bright dots nicknamed blue sky sprites moving quickly along squiggly lines in the visual field especially when looking into bright blue light such as the sky.
Bright blue light in the sky.
Starlink satellites seen after the first launch in may 2019.
At that time the blue tinted planet will be 4 light hours or 28 9 astronomical units from earth it will shine at a slightly brighter magnitude 7 8 and will be visible all night long in good.
The dots are short lived visible for a second or less and traveling short distances along seemingly random curvy paths.
But as a result the last coloured light that can be seen as the sun falls below the horizon is green.
Naturally there was some speculation that perhaps the light was a ufo or even a meteor but in reality it was the launch of a trident ii d5 missile by.
If you ve looked up at the night sky recently you might have been surprised to see a train of bright lights moving.
That s why the sky appears blue.