Prenni is gathering better measurements and
conducting particle analyses that will help park managers assess this threat, not just at Theodore Roosevelt but also at other parks in the West surrounded by oil and gas development.
His research summary report outlined the research he had
conducted and, as Lovell later described in his autobiography Astronomer by Chance, «by an
analysis and argument that now seems tortuous» Lovell remained convinced that the echoes he was receiving on his radar equipment might be caused by high - energy cosmic ray
particles.