| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | dark matter | Western scientific community | Hypothesized to exist based on gravitational effects and other indirect evidence, but has not been directly observed or identified | 1 |
| 2 | dark matter | Western scientific community | The existence of dark matter is widely accepted and is a major subject of study in astronomy and physics. | 1 |
| 3 | dark matter | Western scientific culture | Dark matter is a crucial component of the universe's mass and is hypothesized to exist based on gravitational effects, but it cannot be observed directly. | 1 |