31 March 2021
A new skyglow effect produced by space objects is brightening our night skies, new study says.
...,” explained John Barentine, Director of Public Policy for the International Dark-Sky Association and a study co-author. “Astronomers build observatories far from city lights to seek dark skies, but this form of light pollution has a much larger...
May 2026
Satellite brightness and the mitigation challenge
...diffuse skyglow and interfere with ecological and cultural relationships to darkness. On a clear night, stand outside and look ...array antenna that makes it exceptionally bright in the night sky, impacting astronomy but enabling the first 5G calls to ...
04 February 2022
NASA’s real-life “Don’t Look Up” programme
... Defense Coordination Office. “With the addition of these two telescopes, ATLAS is now capable of searching the entire dark sky every 24 hours, making it an important asset for NASA’s continuous effort to find, track, and monitor NEOs.” UH IfA...
April 2020
Satellite mega-constellations pose threat to ground-based astronomy
..., after sunset and before sunrise, when the sky is dark but direct sunlight still illuminates the satellites. This...is the faintest that can be seen with the naked eye under dark skies (and mag 4 is brighter than this), we conclude that practically...
August 2020
Battle for the night sky - from telescopes to ad-breaks
... two or three shortly after launch, dimming to around fifth magnitude in orbit) means that finding a piece of untainted, dark sky will become significantly harder. Moreover, it is not just optical astronomy that faces disruption from the operation...
04 June 2020
Mega constellations and their impact on astronomy
... and financial resources from basic research to studying and implementing mitigating measures. Similarly, the International Dark Skies Association is also naturally very concerned at the large number of satellites that will be visible at any given...
