Normally this effect is very slight.
Bright blue light in the sky.
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.
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.
If you ve looked up at the night sky recently you might have been surprised to see a train of bright lights moving.
At that time the planet in question is as close as it gets just 0 4 au so bigger and because it s 100 illuminated from our point of view it s as bright as it can be in our night sky.
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.
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.