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98WTwr

2mo ago

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Four moon (4moon): This is a fascinating phenomenon! In English, these are most commonly known as "Moon Dogs" or by their scientific name, "Paraselene." Here is a polished English translation of the text, structured perfectly for a social media or video description: 🌕 Rare Astronomical Wonder: "Four Moons" Light Up the Russian Sky St. Petersburg, Russia: Citizens were left in awe as the night sky over the historic city of St. Petersburg displayed a breathtaking sight—four moon-like glowing objects appearing simultaneously. This extraordinary view is actually a rare natural phenomenon known as "Paraselene," commonly referred to as "Moon Dogs." How it Happens: According to experts, this optical illusion occurs during extreme cold when moonlight passes through tiny ice crystals suspended in the atmosphere. These crystals refract and reflect the light at specific angles, creating bright spots on either side of the moon that mimic its appearance. The Science Behind the Glow: * Distance: These "mock moons" typically appear at an angle of 22° (or more) from the real moon. * Brightness: While they look like moons, they are generally dimmer and are most visible when the moon is low on the horizon. * Atmospheric Conditions: This requires a specific combination of high-altitude cirrus clouds and freezing temperatures. Footage and photos of this stunning event have gone viral on social media, as residents captured the rare moment where science and beauty collided in the Russian night sky.