Astronomers found a rare solar system where planets formed following an outside-in pattern
The planetary system TOI-1136 challenges standard astronomical models by showing that its outer worlds formed before its inner ones, reversing the typical inside-out growth pattern observed in our own solar system.
The six-planet system TOI-1136, located 270 light-years away, defies traditional expectations by forming its planets from the outside in. In most systems, planets near the star develop first from dense material, but data from the TESS mission suggests these outer worlds matured while the inner regions were still evolving.
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