Tag

Night Sky
Sticky Post
12
Apr

Environmental impacts of increasing numbers of artificial space objects 

April 12, 2023
https://esajournals.onlinelibrary.wiley.com/doi/epdf/10.1002/fee.2624
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10
Jul

Artificial Light at Night: State of the Science 2022 International Dark-Sky Association

July 10, 2022
This briefing summarizes the current state of knowledge about how the widespread and growing use of artificial light at night interacts with six key topics: the night sky (Section 1); wildlife and ecology (Section 2); human health (Section 3); public safety (Section 4); energy security and climate change (Section 5); and social justice (Section 6)....
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10
Jun

Satellites vs. the Night Sky

June 10, 2022
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02
Apr

The Night Sky

April 2, 2022
Sources : Who owns the night sky? https://www.darksky.org/who-owns-the-night-sky/ Megan Eaves https://drive.google.com/file/d/1ZELe7WT3m8sGG4-svrlRXdAPwfdy4lPx/view Excerpt: satcon2 community engagement working group: “The sky belongs to everyone. Space is a global commons. All people are impacted by changes in the sky. The sky is part of the environment. Ecosystems depend on the night sky and on each other.” Read more...
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05
Mar

IUA and International Partners urge UN to protect Dark and Quiet Skies

March 5, 2022
Source: International Astronomical Union (IAU) The IAU, together with partner organisations, has submitted a new Working Paper to the United Nations Committee on the Peaceful Uses of Outer Space (COPUOS), seeking to protect dark and quiet skies from interference by human activities. The paper was accepted for discussion at the opening of the 59th session of the COPUOS...
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15
Feb

Dark-sky advocates confront threats from above and below

February 15, 2022
Source: https://physicstoday.scitation.org/do/10.1063/PT.6.2.20220209b/full/ In his 1965 book, Starlight Nights, amateur astronomer and renowned comet finder Leslie Peltier recalled looking down at Los Angeles from Mount Wilson Observatory and noting the city lights encroaching on the mountainside. He was also concerned about the reflection of sunlight off growing fields of space debris. He wrote, “I realize that I...
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21
Nov

Saving the Starry Night

November 21, 2021
Format: Book Describes the scientific and cultural value of the sky Illustrates the environmental damage of excess light Explains the relationship between astronomy and space technology Introduction This book takes a close look at our relationship with the sky, the stars, light and darkness. In particular, it examines how light pollution has interfered with the...
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20
Sep

Satellite swarms may outshine the night sky’s natural constellations

September 20, 2021
Source: ScienceNews https://www.sciencenews.org/article/satellite-mega-constellations-night-sky-stars-simulations “Mega-constellations” from those satellites will be visible to the naked eye, simulations suggest By Lisa Grossman Companies like SpaceX and Amazon have launched hundreds of satellites into low orbits since 2019, with plans to launch thousands more in the works — a trend that’s alarming astronomers. The goal of these satellite “mega-constellations” is...
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17
Sep

Goodbye darkness Light pollution has increased 49% over past 25 years

September 17, 2021
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30
Jun

Losing The Sky: The Book

June 30, 2021
Jun 30, 2021 Andy Lawrence This is a short promotional video for “Losing The Sky”, a short non-technical book about the threat to the sky from satellite mega-constellations. You can find the book at Amazon, Apple Books, and Google Play Books. To see a bit more about what the book is all about, go to...
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