The green flash is a rare, brief optical event of green, yellow, and sometimes blue that colors the horizon, occurring at ...

It's easy to think of the sun as simply a bright, orange ball ... The high-energy X-rays seen by NuSTAR are shown in blue, while green represents lower-energy X-rays from the X-ray Telescope ...

There are very special cases, when the sky is very clear and exceptionally transparent, that a green flash can be glimpsed just as the very topmost part of the sun ... with a yellow-orange tinge ...

So stop using those yellow sun emojis – because the giant star literally lighting up our skies is green. Yes ... However, it can also appear yellow, orange or red because of interference ...