| http://www.w3.org/ns/prov#value | - But NASA's Earth Observatory says the image and other analysis detected heat signatures on Heard Island's 2475m Mawson Peak that suggest recent volcanic activity. ???Although not definitive, this natural-color satellite image also suggests an ongoing eruption,??? NASA writes. ???The dark summit crater (much darker than Mawson???s shaded southwestern face) is at least partially snow-free, and there
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