planetary-mass object (Q4757)
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any celestial object massive enough to achieve hydrostatic equilibrium, but not enough to sustain core fusion like a star
- PMO
- planemo
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | planetary-mass object |
any celestial object massive enough to achieve hydrostatic equilibrium, but not enough to sustain core fusion like a star |
|