Earth
Mystery Antarctic circle means ice is melting from surface down
A 2-kilometre-wide circle spotted during on an Antarctic ice shelf was thought to be caused by a meteorite. It now looks like winds and melt are to blame
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A 2-kilometre-wide circle spotted during on an Antarctic ice shelf was thought to be caused by a meteorite. It now looks like winds and melt are to blame
Typhoon Lionrock made landfall near the city of Ofunato, about 480 kilometres north east of Tokyo, and has caused mass evacuations