Abstract
Astronomy is faced with environmental threats to observational research, such as light pollution and space junk. Space billboards are the latest of these potential serious impacts. There are solutions to most of these issues, but we all have to work together to ensure a positive approach. The International Dark-Sky Association, a membership based non-profit organization offers a route for us all to participate. 1 Operated by AURA, Inc. under cooperative agreement with the National Science Foundation.
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Crawford, D.L. Light pollution and space billboards - what to do?. Exp Astron 5, 187–188 (1994). https://doi.org/10.1007/BF01583835
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DOI: https://doi.org/10.1007/BF01583835