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| Russian | English |
| облака ночного свечения | night shining clouds (Noctilucent clouds, or night shining clouds, are tenuous cloud-like phenomena in the upper atmosphere of Earth. They consist of ice crystals and are only visible during astronomical twilight. Noctilucent roughly means "night shining" in Latin. WIKI  wikipedia.org) |
| облака ночного свечения | nocti lucent clouds |
| облака ночного свечения | nocturnal clouds |
| относящийся к ночному свечению | noctilucent (облаков) |
| свечение неба | scintillation |
| слабое свечение неба | feeble glow |
| фактор свечения | luminance factor |