Further research was published by Richard Muller, professor of physics at the University of California, Berkeley, following analyses of moon rock samples brought back to Earth by Apollo 14.

• 加州大学伯克利分校的物理学教授理查德·马勒在分析了"阿波罗14号"带回的月球岩石标本之后，公布了进一步的研究成果。