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"Northern Lights Illuminating Erupting Volcanoes Around the World"
1 year ago•Source: The Washington Post
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1.145 min•1 year ago
"Mount Etna's Spectacular Smoke Rings Light Up Sicilian Sky"
Italy's Mount Etna recently produced perfectly circular volcanic vortex rings, some with a pink hue, a phenomenon first observed in 1724 and now seen at various volcanoes worldwide. The rings are formed by a combination of fast gas release from gas bubbles at the top of the magma conduit and regularity in the shape of the emitting vent, and are composed of roughly 80% water vapor and 20% sulfur dioxide and carbon dioxide. Etna's unique crater shape contributes to the rings' circular nature, and the recent quantities of rings produced were described as "unprecedented" by a Sicilian volcanologist.
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"Apocalyptic Skies: Rare Red Northern Lights Illuminate Bulgaria and Russia"
The northern lights, also known as the aurora borealis, appeared in the skies over Bulgaria for the first time, creating a spectacle of a blood-red sky. The phenomenon was captured in images and videos that quickly spread on social media, with some describing it as "apocalyptic" and "spooky." The red aurora was initially seen in northeastern Bulgaria and later extended to other parts of the country. Similar sightings were reported in several other countries. The unique colors of the auroras are determined by interactions between solar wind particles and gas molecules in the atmosphere.