Chermen is located in Russia (North Ossetia–Alania) and time zone Europe/Moscow.
Places nearby are Mikhaylovskoye, Kambileyevskoye and Magas.
Tehran is 980 km away, Istanbul is 1,283 km away and Kazan is 1,434 km away as the crow flies.
Distances from Chermen to the most important cities in Russia and the world.
43.1518600°
44.7123100°
Electromagnetic radiation from a charged particle in a medium
https://en.wikipedia.org/wiki/Cherenkov_radiation