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Burch tree branches in the fading glow of a winter sunset in Portland Oregon. The sky is a peach golden color.

Burch tree branches in the fading glow of a winter sunset in Portland Oregon. The sky is a peach golden color.

A calm beginning says the #trees.

#ThickTrunkThursday #nature #skyglow #PNW #peace #EastCoastKin #WeThePeople

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Sky is glowing red and green with aurora.

Sky is glowing red and green with aurora.

We have aurora again tonight.... So cool!!
Woohoooo!

#aurora #northernlights #taoscountynm #skyglow

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Original post on fediscience.org

A colleague of mine is offering a funded PhD position (4 years) in #Metrology of #Skyglow in Switzerland: live.solique.ch/metas/de/internet/jobs/P...

And at the same time I'm offering a PhD on […]

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Amphibians under artificial light at night: Current knowledge, conservation challenges and future directions Amphibians have evolved under predictable light–dark cycles, with most species relying on darkness for foraging, reproduction, and predator avoidance. Introduct

🚨🚨Our new preprint on #amphibians and #lightpollution
Review on #ALAN effects on most threatened vertebrates 🐸🐸

#frogs #skyglow #darknight
papers.ssrn.com/sol3/papers....

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There's a range of great events taking place on Sat 20th Sept 2025
shop.beacons-npa.gov.uk/pages/dark-s...
Explore the cosmos in the Dark Sky Reserve, one of the UK’s most spectacular stargazing locations – Bannau Brycheiniog National Park’s Visitor Centre
#light #darksky #skyglow #event #stargazing

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There's a whole range of great events taking place on Saturday 20th September 2025 at Bannau Brycheiniog’s Dark Sky Reserve - National Park’s Visitor Centre.

Details:
shop.beacons-npa.gov.uk/.../dark-sky....

#light #darksky #skyglow #event #stargazing

@bannaubrycheiniog.bsky.social

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There's a whole range of great events taking place on Saturday 20th September 2025.
shop.beacons-npa.gov.uk/pages/dark-s...

Explore the cosmos in the heart of the Bannau Brycheiniog’s (Brecon Beacons) Dark Sky Reserve.

#light #darksky #skyglow #event #stargazing

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Bats & insect eating birds are disappearing. Their food source is decimated through pesticide, herbicide & insecticide use. Legislative changes & lobbying from chemical & farming industry make change slow.
www.exled.co.uk

#light #urban #nightsky #skyglow #pollution #environmentallyfriendly #insects

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Reminder that fascinating studies about moonlight influences on species behavior are also de facto studies about #lightpollution and especially #skyglow See photos at esajournals.onlinelibrary.wiley.com/doi/full/10.... an article in Ecology at doi.org/10.1002/ecy....

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Often outdoor lighting doesn’t help us see, it just lights up the sky. That’s a waste of energy, money, and starlight.

🚀 Point light where it’s needed. Shield it. Dim it.
🖊️ Join the movement:

👉 darkskytexas.org/pledge

#DarkSkyTexas #ShieldTheLight #OutdoorLighting #SkyGlow #FixTheLights

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Even remote areas aren’t safe from the glow.

City lights reach far, dimming stars for rural communities, stargazers, and wildlife.

Every light matters. Let’s light responsibly 🌌

💡 Help protect dark skies: darkskytexas.org/donate

#DarkSkyTexas #SkyGlow #RemoteSkies #LightPollution

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Skyglow Is Erasing the Night 🌃

City lights reach far beyond the skyline — fading the stars from view.

Let’s bring back the dark.

👉 Pledge: darkskytexas.org/pledge/
👉 Donate: darkskytexas.org/donate/

#DarkSkyTexas #Skyglow #LightPollution #ProtectTheNight

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Why the Sky Glows Green Over Chile’s Desert – And It’s Not an Aurora Hidden away in the darkest corners of Earth’s atmosphere, a faint green airglow quietly paints the night sky, far from the bustling interference of light pollution. Captured above the La Silla Observatory...

Why the Sky Glows Green Over Chile’s Desert – And It’s Not an Aurora #Science #Space #Astronomy #Chile #SkyGlow #ScienceExploration

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"The thistle rises and forever will,
Get up!"
Hugh MacDiarmid
#photography #thistle #Scotland #Independence #silhouette #ScottishThistle #wildlife #plants #nature #sky #skyglow

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Original post on mastodon.online

Künstliches #Himmelsleuchten fördert das Wachstum potenziell giftiger #Cyanobakterien und verändert den #Kohlenstoffkreislauf in Seen.

Das passiert selbst bei minimaler Beleuchtung von nur 0,06 Lux. Das zeigte eine großangelegte Studie des Leibniz-Institut für Gewässerökologie und […]

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'Skyglow' from light pollution causes more problems than we knew Recent findings suggest that light pollution can affect lakes including producing toxic algae and altering carbon cycling.

‘Skyglow’ from light pollution causes more problems than we knew: Recent findings suggest that light pollution can affect lakes including producing toxic algae and altering carbon cycling.

#Skyglow #LightPollution #CyanobacteriaBloom #CarbonCycleDisruption #LakeEcosystems #EarthDotCom #EarthSnap

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🚨 Poster time at #BOU2025! 🪶🚨

🔦 Bright nights, easy bites!

💡 Distant skyglow helps European Nightjars detect prey.

#Nightjars are visually-orienting insectivores, more active when moonlight or #skyglow light up the night sky.

🌌 How do they use these light sources while hunting?

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The Sky was Orange. #orangesky #sunset #evening #dusk #silhouette #trees #germany #beautiful #smartphonephotography #photography #skyglow #skyaglow

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A small piece of painting tonight

Title: "Mystic Winter Glow"

A mesmerizing aurora shimmers above a quiet, snow-dusted forest.

#auroramagic #AuroraMagic #WinterNights #SnowyTrees #SkyGlow #EtherealBeauty #NatureArt #AcrylicOnCanvas #DreamyLandscape #NorthernLightsVibes #SereneScenery #Blue

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Took this photo last night at 3 a.m. in Montreal. The sky glow was unreal. #birds #nightsky #skyglow #Montreal

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Understanding ALAN: The Effects of Artificial Light at Night and Responsible Lighting Practices Artificial Light at Night (ALAN) is one of the most transformative aspects of modern society. It allows us to work, travel, and socialize long after the sun has set, shaping our cities, industries,…

New article 👉 Understanding ALAN: The Effects of Artificial Light at Night and Responsible Lighting Practices

#astro #astronomy #lightpollution #alan #skyglow #savethestars

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No lights at the playfield but the low clouds reflect the urban lights, and make it look bright, even with no lights. #Skyglow
I had a fun day. Lots of "search" games. Moms getting tricky hiding the treats off the ground now. I'm waiting for last dinner. Good Night!

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Make up your own mind: #lightpollution #SkyGlow #SayNoToBlueLightAtNight

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“These results show a high sensitivity of Eurasian perch towards #ALAN indicating that low light intensities of 0.01 lx and 0.1 lx as they occur in urban and suburban areas in the form of #skyglow can affect the physiology of Eurasian perch.” #ProtectNight...

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Clouds just rolled in and look what the clouds did!!!!!

They reflect all the lights in the city and make #Skyglow and now we are covered in reflective #LightPollution. One minute clear, the next too much light. Venus is still visable but the sky grew bright.

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Mostly cloudy in #London (first photo) with a bright full-moon #Skyglow and #LightPollution one star peaking out. We’ll be back to #Seattle the first of the year (2nd photo). Notice similar #Skyglow but London has 7 million more people. #LessLightAtNight

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I am in London this week -over 8 million people, and the #lightpollution and #Skyglow is less than #Seattle (population of well under 1 million ) why? Maybe: Individual personal porch lights/security lights. Lower your #carbonFootprint turn off you lights at night.

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The porch light on this home is higher Kelvin than #Seattle #Streetlights maybe 5000Kelvin. Switch to #AmberLightAtNight-it’s better for our environment. Also, look at that #Skyglow (magnified light-pollution) it is getting worse every year-clouds at night should be invisible

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If you live in a city for too long you might forget that clouds at night are invisible and black. When you look up at night in an area with BAD #lightpollution clouds in the sky glow in disturbing colors that reflect this light: called #skyglow this reflects/exasperates #ALAN

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