Mackenzie Davis, center, and Sebastian Stan, right, who both have roles in “The Martian,” meet families of astronauts aboard the International Space Station in September at Johnson Space Center in Houston. California’s schools chief says the state must help students excel in science classes.
Mackenzie Davis, center, and Sebastian Stan, right, who both have roles in “The Martian,” meet families of astronauts aboard the International Space Station in September at Johnson Space Center in Houston. California’s schools chief says the state must help students excel in science classes. Jennifer Reynolds The Associated Press
Mackenzie Davis, center, and Sebastian Stan, right, who both have roles in “The Martian,” meet families of astronauts aboard the International Space Station in September at Johnson Space Center in Houston. California’s schools chief says the state must help students excel in science classes. Jennifer Reynolds The Associated Press