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.
Bright blue light in the sky.
That s why the sky appears blue.
What was that weird blue glow in the sky.
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.
But as a result the last coloured light that can be seen as the sun falls below the horizon is green.
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.
Normally this effect is very slight.
The dots are short lived visible for a second or less and traveling short distances along seemingly random curvy paths.