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#chile

5 posts5 participants0 posts today
Public
ESO

🚨 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.
#environment#astrodon#astronomy
Public *
Jim Frost

Some wildlife on the Chilean Atacama from a couple of weeks ago. The first, the Viscacha, looks remarkably like a cross between a rabbit and a squirrel but is actually a rodent and lives amongst the rocks. The second is the South American Gray Fox, or the Patagonian Fox, which is found solely in Chile and Argentina #Chile #Atacama 🇨🇱

An image of a rodent called the viscacha sat amongst some rocks.
An image of a South American Gray Fox amongst some rocks and grass
An image of a rodent called the viscacha sat amongst some rocks.
An image of a South American Gray Fox walking amongst some rocks
Replied in thread
Public
Álvaro Herrera

@fsinn Actually, they did fail in #Chile during the 2019 protests. They mobilized a lot more than 3.5% of the country population, and after several years, they (we) are all back in the same situation. Nothing has changed.

Public
ESO

Where are we with the construction of our Extremely Large Telescope (ELT)?
This video takes you on a drone flight over the site in #Chile. We recommend full screen and volume up!

➡️ youtube.com/watch?v=t3GJbCasyO

To account for some delays, we've updated the ELT schedule, which now has the following main milestones 👇

🗓️ Telescope first light (first test observations) expected in March 2029
🗓️ Instruments installed and commissioned over the course of 2029 and 2030
🗓️ Scientific first light (first observations with scientific instruments) expected in December 2030

Read more: eso.org/public/announcements/a

📹 CIMOLAI/S. Petkovic. Music: Jon Kennedy – Toy Soldiers

YouTubeDrone view of ESO's Extremely Large TelescopeBy European Southern Observatory (ESO)
#astrodon#astronomy#astrophysics
Public
ESO

A cup of gas, a pinch of dust, let rest for a few million years... Is there a universal recipe to form stars? 🧑‍🍳 ✨ A new survey of a thousand stellar factories suggests that this may not be the case.

Stars form when gas clouds fragment and collapse, but there are many physical processes that can change how this happens. So what we learn about one specific cloud doesn’t necessarily apply to others.

Using the Atacama Large Millimeter/submillimeter Array in #Chile, astronomers have mapped about a thousand stellar factories in different parts of our galaxy, to understand whether each one has its own secret recipe to make stars.

Learn more in our latest ESO blog: eso.org/public/blog/stellar-fa

www.eso.orgESOblog: Observing a thousand stellar factories to uncover the origin of starsObserving a thousand stellar factories to uncover the origin of stars
#astrodon#astronomy#astrophysics
Public
ESO

From the stairs to the stars! 🪜✨ Other than going to #space, the next best way to feel close to the stars is from the dark skies high up in #Chile’s Atacama Desert, where our Very Large Telescope(*) is located.

Those yellow beams are the VLT’s laser guide stars, shooting up from the telescope (to the right, but outside of the frame) into the sky. The laser beams create artificial stars high up in the atmosphere, which the telescope’s adaptive optics system uses to make the sharpest possible observations of the cosmos, from the ground.

Read more: eso.org/public/images/potw2509

(*) The VLT actually comprises several telescopes. And yes, you can tease us about the name 😅

📷 F. Millour/ESO

At the centre of the image is the silhouette of a person standing on a tall viewing platform, at least 5 metres high and almost just as wide. It has a two-level staircase leading up to it. The dark foreground silhouette of stairs and platform contrasts with the night sky filled with stars, showing blue and green hues, and the cloudy, white Milky Way plane reaching across, diagonally. At the top right, two orange laser beams emerging from outside the frame seem to converge towards the galactic plane.
#astrodon#astronomy#astrophotography
Public
jbz

#Chile went into curfew because of the outages affecting the country.

We all suffer outages here and there, but my country would be in forever lockdown if we decided to impose military curfew because of these accidents.

Not sure if Chile is even safer with lights out and the military on the loose.

usatoday.com/story/news/world/

USA TODAY · Major power outage hits Chile, leaving millions without electricity and under curfewBy Fabian Cambero and Alexander Villegas, USA TODAY
Public *
NetBlocks

⚠️ Confirmed: A nation-scale power outage has knocked out internet connectivity across much of #Chile; network data show national connectivity at 25% of ordinary levels, with services including public transport affected by an energy transmission failure in Norte Chico #CorteDeLuz

Graph from NetBlocks showing network connectivity in Chile, from January 30, 2025, to February 25, 2025. The y-axis represents normalized connectivity ranging from 0% to 100%, while the x-axis shows the dates. The green line representing Chile's connectivity remains stable at around 100% throughout most of the time period, with a sharp drop on February 25. The drop in connectivity aligns with transmission failure in Norte Chico. The minimum and current connectivity levels are indicated as 25% and 25%, respectively. The chart has a dark background with a red circle highlighting the decline at the end of the period.
Public
tagesschau

Chile: Wal verschluckt Kajakfahrer - und spuckt ihn wieder aus

Es sind Bilder wie aus einem Film: Ein Kajakfahrer paddelt in Chile übers Meer, als plötzlich ein Wal aus dem Wasser schießt - und den Mann verschluckt. Sekunden später taucht er wieder auf. Sein Vater hielt die Szene auf Video fest.

➡️ tagesschau.de/ausland/amerika/

tagesschau.deChile: Wal verschluckt Kajakfahrer - und spuckt ihn wieder ausEs sind Bilder wie aus einem Film: Ein Kajakfahrer paddelt in Chile übers Meer, als plötzlich ein Wal aus dem Wasser schießt - und den Mann verschluckt. Sekunden später taucht er wieder auf. Sein Vater hielt die Szene auf Video fest.
#Chile#Buckelwal
Public
ESO

It looks more and more like a telescope! This drone image shows our Extremely Large Telescope bathed in the #sunset light of the Atacama Desert in #Chile.

Construction is making steady progress. Here you can see the cell that will hold the ELT’s huge 39 m mirror – the largest telescope mirror ever – and the structures that will hold the ELT’s four additional mirrors.

Read more: eso.org/public/images/potw2506

📷 ESO/G. Vecchia

The drone image shows the inside of the Extremely Large Telescope as seen from above, sideways through a big aperture in the roof of the telescope dome. In the middle of the dome stands the telescope's altitude structure. Constructed from sturdy beams, it is white and has the shape of a long dodecagonal prism. Orange light is shining through the lower part of the steel frame of the dome surrounding it, which is uncovered.To the left of the image, next to the aperture, are stairs to climb the dome roof.
#astrodon#astronomy#astrophysics
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