Take a look at the explanations in https://www.thequantumcat.space/p/the-false-colours-of-astronomy https://www.thequantumcat.space/p/the-false-colours-of-astr

Take a look at the explanations in https://www.thequantumcat.space/p/the-false-colours-of-astronomy https://www.thequantumcat.space/p/the-false-colours-of-astro... and https://news.ycombinator.com/item?id=32229602 https://news.ycombinator.com/item?id=32229602