In this tutorial, it will show you how to create the light stream picture. The original picture is from NASA site. Take a smallish hard brush and just scribble in different colours. Basically just play around until you come up with something you like. Here is mine with a few more light streams added.
日本語: まだ 日本語 版の翻訳はありません。英語で見る — showing the original English article below.
Leopard Aurora Borealis
日本語
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