Scientists are baffled by bizarre observations of a gigantic 'anomaly' buried beneath polar icecap'
This “Wilkes Land gravity anomaly” was first uncovered in 2006, when NASA satellites spotted gravitational changes which indicated the presence of a huge object sitting in the middle of a 300 mile wide impact crater.
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https://www.thesun.co.uk/news/2489440/satellite-spots-massive-object-hidden-under-the-frozen-wastes-of-antarctica/