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Excerpt from scitechdaily.com
Ground-based radar systems, especially the emerging ngRADAR, are crucial in defending Earth against asteroid impacts and advancing our understanding of the Solar System through high-resolution imaging and robust, scalable technologies.
How can humans protect Earth from “devastating asteroid and comet impacts?” According to the National Academies and their 2023-2032 Planetary Science and Astrobiology Decadal Survey, ground based astronomical radar systems will have a “unique role” to play in planetary defense.
There is currently only one system in the world concentrating on these efforts, NASA’s Goldstone Solar System Radar, part of the Deep Space Network (DSN). However, a new instrument concept from the National Radio Astronomy Observatory (NRAO) called the next generation RADAR (ngRADAR) system will use the National Science Foundation’s Green Bank Telescope (GBT) and other current and future facilities to expand on these capabilities.
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