Random triples
| Subject | Object |
|---|---|
| gptkb:Lyman-alpha_radiation | ultraviolet |
| gptkb:Lyman-alpha_transition | ultraviolet |
| gptkb:Brackett_100 | infrared |
| gptkb:Lyman-alpha_emissions | ultraviolet |
| gptkb:Ca_II | H and K lines |
| gptkb:H^0 | gptkb:21_cm_line |
| gptkb:O_III | 495.9 nm |
| gptkb:O_III | 500.7 nm |
| gptkb:C_III | gptkb:C_III_977_Å |
| gptkb:C_III | gptkb:C_III_1909_Å |