![Works change a street light in the dark sky community of Prestegne, Wales.](https://darksky.org/app/uploads/2024/01/8-Lighting-Tests-1440x700.jpg)
1015 results for
Author: Staff
![](https://darksky.org/app/uploads/2015/08/AURAO-featured-700px-460px.png)
7 Dark Sky Highlights of 2015
Inspiration
![A picture of the word "ordinance" in the dictionary.](https://darksky.org/app/uploads/2015/05/ordinance.png)
How to Enact a Lighting Ordinance
Outdoor Lighting
![Artist’s conception of an X-ray emitting black hole as predicted by Albert Einstein and Stephen Hawking. Image from the NASA Jet Propulsion Laboratory Caltech via Wikimedia Commons.](https://darksky.org/app/uploads/2015/12/x-ray-black-hole.jpg)
Without the Stars We Wouldn’t Have “Star Wars”!
Inspiration
The starry night sky and view of our vast universe has been inspiring men and women since the dawn …
![](https://darksky.org/app/uploads/2015/12/led-light-houston-700px-366px.png)
Lessons from the retrofit revolution
Light Pollution
![A neighborhood on a lake with tall trees reflected in the water.](https://darksky.org/app/uploads/2015/12/Davis_CA.jpg)
City’s LED Retrofit Shows Need For Careful Lighting Choices
LEDs
![A satellite image of Berlin at night showing the difference between the lights of west and east Berlin.](https://darksky.org/app/uploads/2015/12/Berlin_ISS_night.jpg)
Night Sky Data to the People!
Light Pollution
![](https://darksky.org/app/uploads/2015/11/Llyn_Llydaw_Snowdonia_700px-366px.png)
Snowdonia, Wales, Named International Dark Sky Reserve
Press release
![](https://darksky.org/app/uploads/2015/11/Llyn_Llydaw_Snowdonia_700px-366px.png)
Eryri National Park (Snowdonia)
Reserves
Wales
![Two hands reflected in black making a heart against a starry night sky.](https://darksky.org/app/uploads/2015/08/Thank_You_Blog.jpeg)
5 Reasons We Are Thankful
Uncategorized
![Travis Longcore, light pollution researcher and Karen Trevino, chief of the NPS Natural Sounds and Night Skies Division, speaking at the 2015 AGM Plenary Session.](https://darksky.org/app/uploads/2015/11/IMG_1641.jpg)
IDA Annual Conference is a Great Success
Uncategorized
![IDA Board President Jim Dougherty recognizes outgoing IDA Board Member Jim Benya for for his years of service to IDA.](https://darksky.org/app/uploads/2015/11/IMG_1274.jpg)
IDA Welcomes New Board Members and Says Goodbye to Old Friends
Uncategorized
![Flocks of birds flying over water while the sun is setting causing vibrant orange clouds](https://darksky.org/app/uploads/2015/11/Birds.jpeg)