| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | accretion | astronomy community | The process of accretion is a fundamental concept in astronomy, involving the accumulation of material by gravitationally attracting additional matter. | 1 |
| 2 | accretion | astronomy community | Process where celestial objects grow by accumulating matter from surrounding space, such as planets forming from a protoplanetary disk | 1 |