How astronomers combine space and ground telescopes to map the history of the universe

The Great Observatories Origins Deep Survey, or GOODS, represents a decade-long collaboration between the most powerful ground-based and space-borne telescopes. By observing the sky across the entire electromagnetic spectrum, this campaign provides a comprehensive view of cosmic history, piecing together the puzzle of our universe's evolution.

The GOODS project functions by integrating data from various telescopes, each tuned to different parts of the electromagnetic spectrum. This multi-wavelength approach is essential for understanding the universe, as different radiation types reveal distinct physical processes and celestial phenomena.

By looking deep into space, the survey effectively looks back in time, allowing researchers to observe the early stages of cosmic development. This collaborative effort has been a defining feature of astronomical research over the last ten years, transforming how we assemble our understanding of the cosmic jigsaw puzzle.

Source: ESOcast 21: The Great Observatories Origins Deep Survey (GOODS)