A new study compares young and old exoplanets to uncover how worlds shrink, migrate and evolve over time — offering insights into long-standing astronomical mysteries like the "hot Neptune desert" and the "radius valley."

What's the difference between a young exoplanet and an old one?

Source: space
Source Link: https://www.space.com/the-universe/exoplanets/whats-the-difference-between-a-young-exoplanet-and-an-old-one