Astronomers are sounding the alarm over a massive renewable energy project proposed for Chile’s Atacama Desert, which could jeopardize decades of investment in astronomy and scientific advancement. The INNA project, valued at $10 billion, would be built just kilometers from the world-renowned Very Large Telescope (VLT) and Extremely Large Telescope (ELT). If approved, it could increase light pollution levels by up to 10%, threatening the delicate balance of natural darkness essential for astronomical observations.
The Atacama Desert is one of the most critical locations for stargazing due to its unique conditions. High altitude, dry climate, and minimal atmospheric turbulence make it an almost perfect environment for observing the cosmos. However, the proposed INNA project could transform this pristine environment, emitting as much light pollution as a city of 20,000 people.
The VLT and ELT are two of the most advanced instruments for studying the universe. The ELT, worth over $1.5 billion, is designed to revolutionize our understanding of distant galaxies, exoplanets, and the fundamental structure of the cosmos. However, increased light pollution could compromise its ability to observe faint galaxies and study exoplanet atmospheres.
Astronomers are warning that this project highlights the growing tension between technological progress and environmental preservation. ESO Director General Xavier Barcons argues that the project could easily be relocated to a less sensitive area, but more stringent measures are needed to safeguard the region’s astronomical heritage.
The potential impact of the INNA project extends beyond Chile, affecting our collective understanding of the universe and driving technological innovations. As humanity balances sustainability goals with scientific advancement, this situation serves as a cautionary tale, emphasizing the need for careful planning and coordination to ensure progress does not come at the expense of another.
Source: https://indiandefencereview.com/astronomers-light-pollution-telescope