Ice cave on the north side of Mt Erebus, Ross Island, Antarctica (@ George Steinmetz/Corbis)
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- Discovered in 1841, this ice volcano was named after the Greek god of darkness, Erebus, the son of Chaos.""Images like these are testimony to its formidable moniker
- There are many hazards involved in studying volcanic craters like this.""When was the last time you got hit by a lava bomb?
- The cave pictured is part of the Pacific Ring of Fire and located on Ross Island.""It\s one of three inactive volcanoes here, standing alongside Mount Terror
- Did you know a British explorer recently became the first person to ski solo across Antarctica?""Felicity Aston covered more than 1,000 miles, enduring 59 days of solitude
