“…[42]); Jones, Yeoman, and Cockell [43], who analyzed school children; Joyce, Ferguson, and Weinstein [44], who studied teenagers and members of space advocacy groups; and Raitt et al [34], who studied worldwide "space expectations" in many countries but relied on an opportunistic rather than probability sample. Research that has relied on nationally representative samples, such as the biennial U.S. General Social Survey (GSS) [45], have typically presented descriptive analyses of public support over time and done little to analyze the individual determinants of public opinion [36,37,46].…”