Science Theory
Rainbow Lattice Sunstone, NW Territories Australia at Alice Springs. This is a crossing shock harmonic. But is it a Planar deformation features (PDFs) are specific geological structures in minerals, particularly quartz, formed under high-pressure conditions, often associated with shock metamorphism from impact
events. 25 Oct. 2025.
Low energy ballistic cratering and shock rings. A shock ring is where the speed of energy transfer is exceeded or stops. 26-inch thick armor from a Japanese Yamato class battleship, pierced by a US Navy 16-inch gun. The armor is on display at the US Navy Museum. Here is a crater we know, the man made type. 25 Oct. 2025.
NBC News, ‘Moon rock’ in museum is just petrified wood
The Dutch national museum said Thursday that one of its prized possessions, a rock supposedly brought back from the moon by U.S. astronauts, is just a piece of petrified wood.
A rock supposedly brought back from the moon, and a note from the then-U.S. ambassador is just a piece of petrified wood. AP
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NBCUniversal Profile
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Aug. 27, 2009, 11:18 AM CDT / Source: The Associated Press
By By Toby Sterling
It's not green cheese, but it might as well be.
The Dutch national museum said Thursday that one of its prized possessions, a rock supposedly brought back from the moon by U.S. astronauts, is just a piece of petrified wood.
Rijksmuseum spokeswoman Xandra van Gelder, who oversaw the investigation that proved the piece was a fake, said the museum will keep it anyway as a curiosity.
"It's a good story, with some questions that are still unanswered," she said. "We can laugh about it."