Random triples
| Subject | Object |
|---|---|
| gptkb:photopsin_II | ~530 nm |
| gptkb:Cosmic_Microwave_Background | 1.9 mm |
| gptkb:The_Cosmic_Black-Body_Radiation_Spectrum | 1.9 mm |
| gptkb:CMBR | about 1.9 mm |
| gptkb:The_CMB | 1.9 mm |
| gptkb:Cosmic_microwave_background | 1.9 mm |
| gptkb:SR_655P | 850 nm |