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This so-called protoplanetary disk looks like a butterfly in the images, according to Monsch.

There, the researchers potentially found a planet candidate in the act of forming in a protoplanetary disk -- but it wasn't the planet they expected to find.

This first result focuses on the protoplanetary disk termed XUE 1, which is located in the star cluster Pismis 24.

It might just be an unlayered conglomeration of grains assembled in a metal-rich region of the protoplanetary disk of gas and dust surrounding the young Sun.

The team found that DG Taurus has a smooth protoplanetary disk, without any rings which would indicate that planets are forming.