NASA's 2017 Astronaut Candidates NASA's 2017 astronaut candidates take a group photo at Ellington Field near Johnson Space Center. Pictured are front row left to right Zena Cardman Jasmin Moghbeli Robb Kulin Jessica Watkins Loral O'Hara; back row left to right Jonny Kim Frank Rubio Matthew Dominick Warren Hoburg Kayla Barron Bob Hines and Raja Chari.
The 2-foot thick walls of the Roble Road house soak up sunlight during the day and radiate heat at night. They provide at least 3 times the insulation value of a typical Bay Area home. Photo: DSA Architects / SF