Light

Learn about the Fight for Dark Skies with IDA and GLAS Education on Great Lakes Now

27 Mar 2023

The International Dark Skies Association (IDA) and Geneva Lake Astrophysics and STEAM (GLAS Education) are working to reduce light pollution. Learn more about their work from the public TV program Great Lakes Now.

Rapid Brightening of Night Skies Globally: Recent Results from Citizen Science and Solutions

1 Mar 2023

A recent study found that light pollution of the world’s night skies has increased by as much as 10% per year since 2011. Here we share an overview of these results, related consequences, and one ray of hope.

SATCON2 Working Group Reports Released

29 Oct 2021

The full set of working-group reports has been released following the Satellite Constellations 2 conference to address the ongoing transformation of the night sky.

Conclusions from Satellite Constellations 2 Released

15 Oct 2021

A report from SATCON2 describes how a concerted, well-funded, collaborative effort is needed to address the ongoing transformation of the night sky.

Impacts of Large Satellite Constellations on Astronomy: Live Updates

26 Aug 2021

Looking for information regarding the impact of large satellite constellations on astronomy and what AAS is doing about it? You can find some useful resources on this page compiled by the AAS Public Policy team.

Press Conference to Follow Satellite Constellations 2 (SATCON2) Workshop

12 Jul 2021

On 16 July 2021 astronomers will discuss findings from SATCON2 at a virtual media briefing on minimizing the negative impacts of satellite constellations on astronomy and the night sky.

Satellite Constellations 2 Workshop Announced

7 May 2021

The SATCON2 workshop will be held virtually 12-16 July 2021 to discuss how to implement the strategies determined in last year's SATCON1 to minimize the impact of satellite constellations on astronomy.

You're Invited to the IDA's 2020 Global Conference

20 Oct 2020

The International Dark-Sky Association's 2020 conference, held virtually 13-14 November, will emphasize stories and voices often underrepresented in the dark-sky community. Registration is free but required.

Report Offers Roadmap to Mitigate Effects of Large Satellite Constellations on Astronomy

25 Aug 2020

Astronomers and satellite operators agree there’s a problem; report from Satellite Constellations 1 (SATCON1) workshop explores practical ways to address it and identifies issues for further study.

Press Conference to Unveil Conclusions from Satellite Constellations 1 (SATCON1) Workshop

20 Aug 2020

NSF's NOIRLab and the AAS will host a joint virtual press conference on Tuesday, 25 August, to present a report on the impact of existing and planned large satellite constellations on optical and infrared astronomy.

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