Changes

== Criticism of the Giant-Impact Model ==

== Criticism of the Giant-Impact Model ==

This new theory fail lacks testability and falsifiability, which are essential aspects of science as explained by [[Karl Popper]].   

This new theory lacks testability and falsifiability, which are essential aspects of science as explained by [[Karl Popper]].   

Scientists did find that none of three proposed tests are "supportive of the Giant Impact model."<ref>http://www.lpi.usra.edu/meetings/origin98/pdf/4045.pdf</ref>

Scientists did find that none of three proposed tests are "supportive of the Giant Impact model."<ref>http://www.lpi.usra.edu/meetings/origin98/pdf/4045.pdf</ref>