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“美国主导权‘危’:我们发现的星星,将来要靠中国来研究?”
Guan Cha Zhe Wang· 2025-09-02 14:24
Core Viewpoint - The article highlights concerns within the American scientific community regarding budget cuts to research funding under President Trump's administration, particularly affecting the operations of the Rubin Observatory and other astronomical projects, potentially allowing China to surpass the U.S. in the field of astronomy [1][6]. Funding and Budget Cuts - President Trump's administration plans to cut the budget of the National Science Foundation (NSF), which could negatively impact the operation of the Rubin Observatory and halt other telescope projects [1]. - The NSF has invested nearly $600 million in the construction of the Rubin Observatory, with an additional $320 million from the Department of Energy, and it is expected to require $80 million annually once operational [1]. - The proposed budget for the 2026 fiscal year suggests a reduction of more than half of the NSF's funding, providing only $3.9 billion [5]. Project Development and Concerns - The Rubin Observatory is currently in the testing phase and is set to begin official operations in October, having already demonstrated significant observational capabilities [1][2]. - The Giant Magellan Telescope (GMT) project, located about 130 kilometers north of the Rubin Observatory, is still in early development, requiring an additional $1.3 billion from the NSF to ensure completion by 2035 [4]. - Concerns have been raised that budget cuts could lead to delays or even halt the construction and operation of both the Rubin Observatory and the GMT project [4][5]. Impact on Research and Workforce - The NSF's workforce has decreased from 1,800 to 1,100 employees, leading to concerns about the agency's functionality and the uncertainty surrounding funding for research projects [5]. - The reduction in funding has already affected graduate student recruitment in astronomy programs, as noted by a professor at the University of Pennsylvania [5][6]. - The lack of young researchers could hinder the effective utilization of the Rubin Observatory's data, as senior astronomers rely on graduate students and postdocs for data analysis [6]. Global Competition - American astronomers fear that reduced support for the Rubin Observatory and GMT could allow other countries, particularly China, to take the lead in astronomical research [6]. - China has already constructed the world's largest single-dish radio telescope and is developing additional projects in Argentina and Chile, indicating its capability to catch up with the U.S. in astronomy [1][6].
“宇宙之眼”将开启暗物质与银河系探秘之旅
Ke Ji Ri Bao· 2025-06-19 02:18
Core Insights - The Vera C. Rubin Observatory, named after the American astronomer, is set to unveil more cosmic mysteries with its operations beginning by the end of this year [1][2] - The observatory, with a budget of $810 million, will utilize the world's largest digital camera to conduct groundbreaking missions in astronomy [2][3] Group 1: Observatory Features - The observatory features an 8.4-meter diameter telescope that can create panoramic images of the southern sky every three days [3] - It is equipped with the largest "Legacy Survey of Space and Time" (LSST) digital camera, boasting a resolution of 3.2 billion pixels, designed for wide-field, rapid, and deep imaging [3][5] - The LSST camera will generate approximately 20 terabytes of data each night, which is 350 times the daily data output of the James Webb Space Telescope [3] Group 2: Scientific Missions - The observatory aims to map the universe, track dark matter, discover millions of new solar system bodies, and provide early warnings for near-Earth objects [2][6] - It will explore the mysteries of dark matter and dark energy, potentially revealing the structure of the universe and the nature of these elusive components [6][8] - The observatory will also enhance understanding of the solar system and the Milky Way by identifying near-Earth asteroids and reconstructing the galaxy's evolutionary history [7][8] Group 3: Data Accessibility and Collaboration - All observational data, including calibration images and real-time alerts, will be made freely available to the global scientific community, promoting collaboration between professional and amateur astronomers [7][8] - The observatory's advanced software processing system will utilize statistical analysis and machine learning to identify anomalies in astronomical data, generating over 8 million alerts each night [5][6]