In addition, future analyses might include more items on relationship quality to more fully. approach the construct of relationship happiness. 22 Also, with longitudinal data it is possible to examine. the association between parental relationship quality and child outcomes over time.
A rover (or sometimes planetary rover) is a space exploration vehicle designed to move across the surface of a planet or other celestial body. Some rovers have been designed to transport members of a human spaceflight crew; others have been partially or fully autonomous robots.
Sample Returns. Collecting Rock and Soil Samples and Returning Them to Earth. Rovers and other space vehicles do a great job studying Mars. However, the most exhaustive studies of rock, soil, and atmospheric particles can only be conducted in laboratories here on Earth. After all, nothing beats the hands-on expertise of scientists.