Telescope causes national security concern

In his blog titled "When a Telescope Is a National-Security Risk," author Ross Andersen explores a unique situation faced by astronomer Željko Ivezic in early 2023. Ivezic, director of the Vera Rubin Observatory, was tasked with navigating a highly unusual negotiation to ensure that his $1 billion telescope, under construction in the Chilean high desert, would not compromise U.S. national security when it began its operations in 2024.

Photo credit: Rubin Observatory/NSF/AURA/O. Rivera

The negotiations were odd for Ivezic, who had no direct communication with the agency involved and was left in the dark about its identity. Communication occurred through intermediaries at the National Science Foundation, and the involved parties were security-conscious but surprisingly knowledgeable about astronomy.

Telescope causes national security concern: The story behind the Vera Rubin Observatory

The Vera Rubin Observatory, located atop a mountain in the Atacama Desert, is designed to offer unprecedented astronomical capabilities. Unlike the James Webb Space Telescope, which observes small regions of the sky, the Vera Rubin will be able to scan large sections of the sky, capturing images that extend 13 billion light-years into space within 30 seconds. Within three nights, it will have captured a deep image of the entire sky by systematically scanning tile-by-tile.