A mysterious aircraft at a top-secret US military base has been blurred on Google Maps, sparking wide-ranging conspiracy theories.

The unidentified object was spotted at a base which has long-been linked to secretive government tests and has even been nicknamed Area 52. 

The base in southwestern Nevada has at the centre of conspiracy theories after Google Maps "refused" to update its sateillite images of the area for eight years between 2008 and 2016.

At this time, the online sateillite imagery showed only several dry lake beds within the Tonopah Test Range - just 70 miles northwest of the notorious Area 51 facility.

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