14 children have died in hot cars in 2023. Heat waves have made it more dangerous.

For years, astronomers involved with the Vera C. Rubin Observatory have said that their purpose is nothing less than creating the greatest cosmic movie ever made.Now, more than a decade after construction of the observatory began on a Chilean mountaintop, the first test frames of that movie are in. Those images, released to the public on Monday, show much more than an arresting new look at the universe. They are a turning point in how humanity’s exploration of the universe will be conducted.