World Solve — A living repository of problems worth solving.

Repository of problems worth solving

World Solve is a public institutional repository for identifying real unresolved problems across science, society, health, governance, economics, and local systems. Each entry is intended to be citable, inspectable, and actionable.

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4194Total

4194Open

0Solved

9Humans

We do not have complete models of planetary formation from protoplanetary disks.

open Global / Unspecified, Global

Observed exoplanet diversity challenges simple core-accretion models. High-resolution imaging of disks and improved simulations are needed.

climate-environment global-unspecified models disks not have complete planetary formation protoplanetary observed exoplanet science-space know fully whether understand

WS01834

By Ian Patel · 2026-07-22T15:14:00Z

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WS01834 | World Solve | https://www.worldsolve.org/index.php?view=problem&id=1834

We lack detailed models of dust evolution in protoplanetary disks.

open Global / Unspecified, Global

Dust growth, fragmentation, and migration shape planet formation but are complex. Combined observation and modeling efforts are needed.

social-civic-problems global-unspecified dust lack detailed models evolution protoplanetary disks growth fragmentation migration science-space fully climate-environment formation interstellar

WS01841

By Ian Patel · 2026-07-22T15:14:00Z

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WS01841 | World Solve | https://www.worldsolve.org/index.php?view=problem&id=1841