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#Astrodon

65 posts39 participants5 posts today
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All the goosebumps 🤩 #ESA's #Euclid hunting for the 95 unknown % of the Universe:

youtu.be/rXCBFlIpvfQ?si=5WfdNr

More information on this first release of a batch of survey data, including a preview of Euclid deep fields:

▶️ esa.int/Science_Exploration/Sp

Yes, the data is publicly available!

Euclid ‘quick’ releases, such as this, are of selected areas, to demonstrate the data products to be expected in the major data.

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18/03/2025 - We had another visit to the Pacman Nebula tonight. This time no moon and clear sky. Really happy with the photo. Nebula looks so nice and the amount of stars round it, wow! The night sky really is a big place just full of lovely stuff. We tried a new dark spot on the hill this evening, not as far as my ankle is still a problem. Turned out a pretty good place for the scope.

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Okay, I need your help!

I am finalising my PhD thesis at the moment, and it is "tradition" to have a quote at the beginning of each chapter. Now I want to be difficult: I want quotes from FEMALE astronomers / scientists talking about astronomy.

Shoot me your favourites pls 🙏🏻

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🚨 ESO analysis confirms that the INNA industrial megaproject would have a devastating and irreversible impact on the facilities at Paranal Observatory in #Chile.

➡️ Light #pollution would increase by at least 35% above ESO's Very Large Telescope, by a minimum of 5% above ESO’s Extremely Large Telescope and by at least 55% above the south site of the Cherenkov Telescope Array Observatory

➡️ Air turbulence would also increase, degrading seeing conditions by up to 40%

➡️ Vibrations from the project could seriously impair the functioning of the ELT and the VLT Interferometer, which are both extremely sensitive to micro-seismic noise.

➡️ Dust during construction is also problematic as it settles on the telescope mirrors and obstructs their view.

Full story here: eso.org/public/news/eso2506/

More in the message below. 1/

www.eso.orgNew ESO analysis confirms severe damage from industrial complex planned near ParanalAn in-depth technical analysis by the European Southern Observatory (ESO) has evaluated the impact of the INNA megaproject on the facilities at the Paranal Observatory, Chile — and the results are alarming. The analysis reveals that INNA would increase light pollution above the Very Large Telescope (VLT) by at least 35% and by more than 50% above the south site of the Cherenkov Telescope Array Observatory (CTAO-South). INNA would also increase air turbulence in the area, further degrading conditions for astronomical observations, while vibrations from the project could seriously impair the functioning of some of the astronomical facilities, like the Extremely Large Telescope (ELT), at the Paranal Observatory.
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The lasers our Very Large Telescope (VLT) pierce the Milky Way… but what is that vertical glow just below? 🤔

That’s the zodiacal light: caused by dust grains in the Solar System, it's so faint that it’s only visible in the darkest skies, such as those of Chile’s Atacama Desert.

And the pristine night sky 🌌 in this region has always been intertwined with the culture and traditions of its indigenous people, discover how: eso.org/public/images/potw2511

📷 F. Millour/ESO