The "what is that?" photo is light refractions on the table from a glass bowl with a grapefruit in it. Most of the picture is the light pattern. Did you guess right?
It reminds me a a flower, among other things.
The mind is a glorious and wonderful machine. But sometimes it slips a cog or two and needs some common sense plugged in. A bit of wit or wisdom to lubricate its inner workings. Kick your shoes off...that's what this place here is for!