Citizen scientists report global rapid reductions in the visibility of stars from 2011 to 2022-Reference-Cited by-同舟云学术

Citizen scientists report global rapid reductions in the visibility of stars from 2011 to 2022

Published:2023-01-20 Issue:6629 Volume:379 Page:265-268
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Kyba Christopher C. M.¹²^ORCID,Altıntaş Yiğit Öner¹^ORCID,Walker Constance E.³^ORCID,Newhouse Mark⁴^ORCID

Affiliation:

1. Remote Sensing and Geoinformatics, Deutsches GeoForschungsZentrum Potsdam, 14473 Potsdam, Germany.

2. Geographisches Institut, Ruhr-Universität Bochum, 44780 Bochum, Germany.

3. Office of Observatory Site Protection, National Optical-Infrared Astronomy Research Laboratory, Tucson, AZ 85719, USA.

4. Communications, Education and Engagement, National Optical-Infrared Astronomy Research Laboratory, Tucson, AZ 85719, USA.

Abstract

The artificial glow of the night sky is a form of light pollution; its global change over time is not well known. Developments in lighting technology complicate any measurement because of changes in lighting practice and emission spectra. We investigated the change in global sky brightness from 2011 to 2022 using 51,351 citizen scientist observations of naked-eye stellar visibility. The number of visible stars decreased by an amount that can be explained by an increase in sky brightness of 7 to 10% per year in the human visible band. This increase is faster than emissions changes indicated by satellite observations. We ascribe this difference to spectral changes in light emission and to the average angle of light emissions.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Link

https://www.science.org/doi/pdf/10.1126/science.abq7781

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