Fabio Falchi @FabioFalchi9
After more than 20 years of teaching physics and math, now I'm working at my Ph.D. on light pollution at the Universidade de Santiago de Compostela. Joined August 2019-
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In the current issue of penedageresmag.com
It's time to act! Share this appeal to scientists to abate light pollution from artificial lights and satellites' megaconstellations and its consequences on the environment and science: arxiv.org/abs/2307.00598… nature.com/articles/s4155… #LightPollution #Environment
Video from @FinancialTimes on our work on #lightpollution at @LeibnizIGB Jens, Michelle and me on zooplankton @SchroerSibylle @gkalinkat & @SeluxCorp on our shielded lights feat. @jTroscianko @KevinJGaston and @esbriolat on moths, color and vision youtube.com/watch?v=zMaOtk…
PNAS explains well the new, necessary, 'red-lines' approach to finally abate #LightPollution. It is time to change, and here is how: doi.org/10.1016/j.envc… doi.org/10.1098/rsos.2… doi.org/10.26607/ijsl.… doi.org/10.26607/ijsl.… doi.org/10.1002/ntls.1…
PNAS explains well the new, necessary, 'red-lines' approach to finally abate #LightPollution. It is time to change, and here is how: doi.org/10.1016/j.envc… doi.org/10.1098/rsos.2… doi.org/10.26607/ijsl.… doi.org/10.26607/ijsl.… doi.org/10.1002/ntls.1…
Ora su @arxiv il pezzo 'Light Pollution is Skyrocketing' (la versione pubblicata su @ScienceMagazine è qui: science.org/doi/10.1126/sc…), scritto con @salvabara, nella versione originale pre-editing arxiv.org/abs/2306.13878.
The new world atlas of artificial night sky brightness (science.org/doi/10.1126/sc………) surpasses the gravitational waves discovery as the scientific publication in physical sciences with the highest media impact as measured by #Altemetric score. #LightPollution #ALAN
Is it really necessary increasing light pollution to raise awareness on climate change? 🙄 Is there anyone at the helm of this communication campaign?
Is it really necessary increasing light pollution to raise awareness on climate change? 🙄 Is there anyone at the helm of this communication campaign?
Raising awareness about the climate emergency is fundamental, but praising these means, involving #lightpollution (a strong disruptor of #ecosystems) and spare of #energy, which other scientists and concerned citizens struggle with daily also to raise awarenes, is inappropriate.
Raising awareness about the climate emergency is fundamental, but praising these means, involving #lightpollution (a strong disruptor of #ecosystems) and spare of #energy, which other scientists and concerned citizens struggle with daily also to raise awarenes, is inappropriate.
Inquinare per denunciare un inquinamento non mi pare molto logico. #inquinamentoluminoso
Inquinare per denunciare un inquinamento non mi pare molto logico. #inquinamentoluminoso
In the best light? Road safety and public spending. Spending money to try to increase safety by illuminating roads should be supported by evidence, and it seems not. academic.oup.com/jrssig/article…
#USFCA Professor Aparna Venkatesan featured in this month's @NatureAstronomy. "Space is our shared heritage and ancestor — connecting us through science, storytelling, art, origin stories and cultural traditions — and it is now at risk."
#USFCA Professor Aparna Venkatesan featured in this month's @NatureAstronomy. "Space is our shared heritage and ancestor — connecting us through science, storytelling, art, origin stories and cultural traditions — and it is now at risk."
All of this content and more can be found in a new 'Dark skies' collection, accessible here: nature.com/collections/af…
It is challenging to standardise the levels of night sky brightness across the globe. Miroslav Kocifaj and co-workers discuss the difficulty of modelling sky brightness due to differing assumptions: nature.com/articles/s4155…
For astronomers, John Barentine and co-workers have considered the aggregate effects of lost telescope time due to satellite megaconstellations in a quantitative way: nature.com/articles/s4155…
A Comment from Fabio Falchi and colleagues calls on scientists to take action against excessive artificial light at night. It is a wholly unnecessary practice that increases skyglow and wastes energy. nature.com/articles/s4155…
New study just released on the irradiance on sea by artificial lights using the Posch ratio by @XabierCouto, @salvabara and @FabioFalchi9. doi.org/10.1016/j.jqsr…
Investigadores da USC denuncian en @ScienceMagazine (science.org/doi/10.1126/sc…) os perigos da contaminación lumínica usc.gal/gl/xornal/nova…
L'inquinamento luminoso sta crescendo più velocemente del previsto come trovato da una ricerca di @skyglowberlin et al. La nostra (@FabioFalchi9 e @salvabara) opinione su come intervenire è su @ScienceMagazine science.org/doi/10.1126/sc…
A recent paper on the Posch ratio of the starry sky, moonlight and artificial light polluting the night sky, by @salvabara, @astroxabi, M. Kocifaj, E. Masana and me, is available in arXiv arxiv.org/abs/2202.07526 and on MNRAS doi.org/10.1093/mnras/…
Light pollution can be described as an increase in the concentration of light particles in the atmosphere, like any other air pollutant, as shown here by @salvabara and Dr. Carmen Bao-Varela from @Photonics4Life and me: arxiv.org/abs/2210.14131 and doi.org/10.1016/j.apr.….
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Ma come possono studenti che sparano pallini alla professoressa e che filmano il gesto per metterlo in rete essere promossi e pure con 9 in condotta? Cosa dovevano fare di peggio per essere bocciati? Solidarietà per la docente. Vergogna per gli altri.
interstellar (2014) is technically scientifically inaccurate because it implies humanity can (and even should) be saved.
⭐⭐⭐⭐⭐Estamos felices por la aprobación del artículo 30 de protección de los cielos y atmósfera que pasa al borrador de #NuevaConstitución 🌌 Gracias a todas/os quienes lo hicieron posible #ChileProtegeSuCielo 🌠 @sochias_cl
Space: 1999 (1975-1977): Opening credits
Per protesta contro il caro energia alcuni sindaci spengono le luci non necessarie. Se non erano necessarie magari si potevano spegnere prima (vedi mia spending review del 2014). Da allora avremmo risparmiato un po' di miliardi...
La tutela dell’ambiente entra a far parte dei principi fondamentali della Costituzione. Purtroppo questo è avvenuto nel quasi totale silenzio dei media. Speriamo non sia solo un cambiamento di facciata.
Il semplice fatto che il Parlamento discuta una legge che equipara l'agricoltura biodinamica (basata sul "cornoletame" e altri preparati da medioevo) a quella biologica, col sostegno di parlamentari vari, ci dà l'idea di quanto sia scesa la qualità dei nostri parlamentari.
Every BBC series about the universe.
I'm sorry, but the sooner astronomers realize that this is not all about them, the sooner they will find allies to defend #DarkSkies for everyone. Level up people.
Two of my students need to work on function minimization for the first time (in multi-dimensional spaces that almost certainly have many local minima). So I sent them a few simple functions (e.g. one, two, three minima) to practice on, and this monster as the "final exam" 😂
@OfficialTozzi Diciamo che gli indiani (ma anche cinesi e africani) potrebbero scoprire il magico mondo della contraccezione.
@OfficialTozzi Tutti!Stiamo cominciando a essere un po' troppi su questa Terra e prima o poi si arriverà ad un picco.Non sto proponendo niente di drastico ma tutte queste manfrine sull'essere green mi sembrano superflue rispetto al problema principale che dovrebbe essere gestito politicamente.
@travislongcore @raulclima First Monday back to Standard Time here in Berlin: I didn't have to drag my kids out of bed and we didn't have to walk to school in the dark. We also didn't have to fight about bedtime last night.
🌿What is on the European Green Deal menu for 2022? "The 2022 commitments can chart the path to sustainability and make a major stride towards transformative change. Yet, a lack of ambition and poor policy choices can still trip us up",✍️@tenBrinkPatrick meta.eeb.org/2021/10/28/202…
@OfficialTozzi Ah, no? E allora questo? Mi hai ucciso un mito! Vado a piangere di là! 😓😓😓
Second round of counting night lights #Nachtlichter in Preussich-Oldendorf yesterday evening finished there the project, @skyglowberlin. Status 1 week ago and yesterday:
The abandoned Warner and Swasey Observatory in Cleveland, closed after the city's light pollution made it unusable abandonedamerica.us/warner-swasey-…
@FabioFalchi9 @IDADarkSky Me felicitan hasta en italiano ! Gracie da mia mama !
The astronomical center Montsec with its director Salvador Ribas receives the starlight price for their work and education againdt lightpollution at #starlightconference2021. Congratulations!
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