05/01/2023

Urban light pollution is a danger for marine ecosystems

Cities are artificially lit to allow humans to make use of the night. This light pollution means that stars are often barely visible in urban skies. But reduced stargazing is not the only impact of artificial light at night.

Observers explore the eclipsing polar BS Tri

Russian astronomers have performed spectroscopic and photometric observations of a peculiar eclipsing polar known as BS Tri. Result of this observational campaign, presented in a paper published December 23 on arXiv.org, ...

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