The world’s largest digital camera has officially started a 10-year mission to map the southern night sky from the Vera C. Rubin Observatory in Chile. Located on Cerro Pachón, the observatory is beginning full scientific operations after releasing its first images last year. Scientists say the project will collect an enormous amount of information about space and could lead to new discoveries about the solar system and the universe.
The camera itself is about the size of a small car and weighs around 3,000 kilograms. Every night, it is expected to capture between 700 and 800 images of the sky. Over the next decade, those images will be combined into one of the most detailed surveys of the southern hemisphere ever created. It’s a huge amount of data, and researchers will spend years studying it.
Phil Marshall, Deputy Director of Operations at the NSF-DOE Vera C. Rubin Observatory, said the project will allow scientists to cover the entire southern night sky and create a detailed census of the solar system. The observatory will repeatedly photograph the sky, making it easier to spot objects that move or change over time. That includes asteroids, exploding stars, and other events that might otherwise be missed.
Researchers also hope the survey will help them search for the hypothetical Planet Nine, which has not yet been confirmed. The observations are expected to improve maps of the Milky Way and provide more information about black holes, supernovae, dark matter, and dark energy. Some of these topics remain among the biggest mysteries in astronomy, so scientists are interested to see what the telescope may reveal. There’s still a lot that isn’t fully understood.
The observatory is named after astronomer Vera Rubin, whose research provided some of the first strong evidence that dark matter exists. Her work changed the way scientists think about galaxies and how they move through space. Naming the observatory after her recognizes those contributions and connects the new project with earlier discoveries.
Last year, before regular science operations began, the Rubin Observatory released its first images to the public. They included detailed views of the Lagoon Nebula, which is located thousands of light-years from Earth. Those early images gave researchers and the public a preview of what the camera could do. The new survey is much larger, though, and it will continue every night for years.
Marshall described the observatory as a major international scientific effort involving large teams working together toward a shared goal. Scientists from different backgrounds are expected to study the information collected during the survey, and new discoveries could come at any point during the project. Since the camera will continue observing the sky night after night, researchers expect the amount of data to grow quickly as the mission moves forward.
Image is licensed under the Creative Commons Attribution 4.0 International license and was created by Jacqueline Orrell/SLAC National Accelerator Laboratory/NSF/DOE/Rubin Observatory/AURA.
