- The proposed 50-meter Atacama Large Aperture Submillimeter Telescope (AtLAST) aims to map obscured, dust-filled regions of space that current telescopes miss.
- Designed for wide-angle observations, it will capture areas 16 times the size of the Moon per view, providing a comprehensive census of the universe's missing matter.
- Powered entirely by renewable energy with innovative kinetic energy recovery systems, it serves as a sustainable model for future large-scale observatories.
Scientific Objectives
- Recover obscured galaxies: Address the "confusion limit" where individual galaxies are currently indistinguishable, potentially identifying up to 50 million galaxies in 1,000 hours of observation.
- Map cold gas and dust: Study the raw material for star and planet formation, helping to clarify the roles of dark matter and dark energy in cosmic evolution.
- Solar research: Observe solar atmospheres and variable solar flares with unprecedented detail.
- Life's origins: Detect specific molecules that act as building blocks for life within molecular clouds and debris discs.
Engineering and Sustainability
- Size and Scale: A 50-meter primary dish with a 12-meter secondary mirror, weighing 4,400 tonnes.
- Sustainable Energy: Operated via a hybrid system combining solar power, battery storage, metal hydride, and regenerative braking energy recovery.
- Materials: Goals include utilizing near-zero carbon manufacturing processes for the telescope's massive steel and aluminum structures.
Project Status
- Current Phase: The EU-funded AtLAST2 project is handling design, prototyping, and sustainability planning through 2028.
- Global Collaboration: Partners include institutions from Chile, South Africa, Canada, Taiwan, Thailand, New Zealand, Japan, and the USA.
- Long-term Vision: Engineered for a 50-year operational lifespan with modular, upgradeable instrumentation to support long-term astronomical research.
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