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Plan 5 treats the original eight worlds as historical origins, not mandatory top-level navigation.

system class · system

Planetary systems

Our solar system is one example of a broader class whose architectures can differ substantially.

Scale

star-centered systems; sizes vary

Structure

stars with orbiting non-stellar bodies

Formation / process

planet formation is linked to star formation and disks of gas and dust

Observation

transits, spectra, imaging and orbital effects

Representation

artist concepts may illustrate systems that are not directly resolved

Evidence state

Verified / sourced

Core factual statements below are linked to reviewed NASA sources. Descriptive framing is ICU editorial synthesis.

Sourced facts

What this release is claiming.

  • NASA describes planetary systems as groups of non-stellar objects circling stars.
  • Protoplanetary disks connect star formation to planet formation.

Source register

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