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John Barentine, Ph.D.Astronomer, author, and global advocate for the protection of the night sky
Translating complex science into global policy to protect the nocturnal environment
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Ph.D. in astronomy
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Three published books
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Former Director, DarkSky International
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Galileo Award Recipient (2023)
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John Barentine, Ph.D. is a world-renowned astronomer and policy expert dedicated to bridging the gap between scientific research and environmental conservation. After a distinguished tenure in professional astronomy, including pivotal roles at Apache Point Observatory and the Sloan Digital Sky Survey, John transitioned to the forefront of the global dark-sky movement.
As the former Director of Public Policy for DarkSky International, he fundamentally shaped the standards for international dark-sky conservation, overseeing a 400% increase in program output during his tenure. His expertise is sought by national governments, the European Union, and the United Nations, where he advises on lighting regulations that balance human utility with ecological integrity.
A Fellow of the Royal Astronomical Society and a 2023 Galileo Award recipient, John’s contributions to the field are recognized both on Earth and in the heavens; in 2007, the asteroid (14505) Barentine was named in his honor. Today, he leads Dark Sky Consulting to provide the data-driven strategies and technical authority required to protect our planet's remaining dark skies.
As the former Director of Public Policy for DarkSky International, he fundamentally shaped the standards for international dark-sky conservation, overseeing a 400% increase in program output during his tenure. His expertise is sought by national governments, the European Union, and the United Nations, where he advises on lighting regulations that balance human utility with ecological integrity.
A Fellow of the Royal Astronomical Society and a 2023 Galileo Award recipient, John’s contributions to the field are recognized both on Earth and in the heavens; in 2007, the asteroid (14505) Barentine was named in his honor. Today, he leads Dark Sky Consulting to provide the data-driven strategies and technical authority required to protect our planet's remaining dark skies.
John's recent publications
- Barentine, J. (2025). The VIIRS-DNB radiance product is insufficient to assess the effect of "cool pavement'' materials on nighttime radiances of treated areas. Journal of Quantitative Spectroscopy and Radiative Transfer, 109508. doi:10.1016/j.jqsrt.2025.109508
- Barentine, J., Kocifaj, M., and Wallner, S. (2023). Towards future challenges in the measurement and modelling of night sky brightness. Monthly Notices of the Royal Astronomical Society, stad3538. doi:10.1093/mnras/stad3538
- Barentine, J., Heim, J., Venkatesan, A., Lowenthal, J., Kocifaj, M., & Bará, S. (2023). Aggregate Effects of Proliferating LEO Objects and Implications for Astronomical Data Lost in the Noise. Nature Astronomy, 7, 252-258. doi:10.1038/s41550-023-01904-2
- Barentine, J. (2022). Night Sky Brightness Measurement, Quality Assessment and Monitoring. Nature Astronomy, 6, 1120-1132. doi:10.1038/s41550-022-01756-2
- Barentine, J., Heim, J., Venkatesan, A., Lowenthal, J., Vidaurri, M. (2022). Re-imagining Near-Earth Space Policy in a Post-COVID World. Virginia Policy Review, 15(1), 58-86. doi:10.5281/zenodo.6903582.
- Barentine, J., et al. (2021). A Case for a New Satellite Mission for Remote Sensing of Night Lights. Remote Sensing, rs13122294. doi:10.3390/rs13122294.
