Sightings1957

Ubatuba magnesium fragments

Name: Ubatuba magnesium fragments
Start: 1957
Location: Ubatuba, Brazil

When: 1957
Where: Ubatuba, Brazil
Sources: 1 public source

The coast at Ubatuba, Brazil, where the disc was said to have exploded Carla404, CC BY-SA 3.0, via Wikimedia Commons

A Rio de Janeiro society columnist printed a letter with an illegible signature claiming a disc exploded over the sea near Ubatuba, with fragments said to be ultra-pure magnesium. Tested for the Condon Report, a sample was less pure than commercial magnesium and matched a 1940 Dow strontium batch.

Sources

OfficialScientific Study of Unidentified Flying Objects, Sec. III, Ch. 3: Direct Physical Evidence (Roy Craig) (opens in a new tab)University of Colorado for the U.S. Air Force (Condon Report), copy hosted by NCAS / 1969

How sources are chosen and tiered

Where it fits

Earlier in SightingsGround Saucer Watch founded1957 Later in SightingsNICAP launches 'The U.F.O. Investigator' newsletterJul 1957

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