The Vera C. Rubin Observatory's survey of space and time will 'be remembered 100 years from new,' chief scientist Tony Tyson says. Here's why.

The Vera C. Rubin Observatory has begun its Legacy Survey of Space and Time, a 10-year mission to map the entire southern sky many times over. Chief Scientist Tony Tyson tells us why the survey could be remembered 100 years from now, if bright corporate satellites don't ruin the view.