| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | astronomical conferences | Japan | Highly formal events with strict etiquette and respect for senior researchers | 1 |
| 2 | astronomical events | Japan | Astronomical events like meteor showers and comet appearances may be associated with specific spiritual or cultural meanings within the Shinto tradition. | 1 |
| 3 | planetarium | Japan | Planetariums are often considered romantic destinations for couples, and are popular for date nights and special occasions. | 1 |