planetary-mass object (Q4757)
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 |
|