Gases around star HD 172555 might come from collision of protoplanets

Scientists analyzed composition and volume of carbon monoxide found around star HD 172555. The best scenario explaining its origin is collision of two planetary objects, which stripped one of them of its atmosphere.

Related stars

Star Star type Distance
(light years)
part of star image
part of star image
HD 172555 White-Blue star 93.9 0
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