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Cosmology Large Angular Scale Surveyor
@classtelescope.org
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Cosmology Large Angular Scale Surveyor | Measuring the Cosmic Microwave Background Polarization | Discovering when the universe first lit up | https://sites.krieger.jhu.edu/class/ | #NSFfunded
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 11
🎉 Just published in ApJ! Our paper on the first measurement of the reionization optical depth with ground based data! 🎉 We already have twice as much data in the can, so hopefully we'll have an updated result soon! #NSFfunded iopscience.iop.org/article/10.3...
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Cosmology Large Angular Scale Surveyor @classtelescope.org · 21d
Beautiful new reflective half-wave plate being made here. The copper sheen is about a kilometer's worth of 100 µm wire. Though admittedly with the handles and the color it looks like paella 🥘!
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classtelescope.org
Cosmology Large Angular Scale Surveyor @classtelescope.org · 26d
🚀 Science Fair day in San Pedro de Atacama, the main local community close to the telescopes 🇨🇱🫶 The CLASS site team Deniz and Jullianna created and hosted an interactive display about the telescopes and cosmology for students and other residents! 💫
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jul 9
!!! Congratulations to Rui Shi for successfully defending her PhD thesis: "Cosmology Large Angular Scale Surveyor: From Instrumentation to Beyond the Standard Model" !!!
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 25
🇧🇷 Brazilian CLASSmates, Jullianna and Deniz, receive an official "Motion of Applause" from the city council of their hometown for their work with CLASS and the recent results! 👏
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 18
🐝🐝🐝 The CLASS site team has been busy! 🐝🐝🐝 Here is a video of them assembling the new receiver, which comes together as nested layers. When operating, all layers are under vacuum, and outer layers thermally shield colder layers underneath. The innermost is at 0.05 Kelvin!
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 16
And on NSF News:
www.nsf.gov/news/light-d...
Light from dawn of the universe observed by Earth-based telescopes
For the first time, scientists have used Earth-based telescopes funded by the U.S. National Science Foundation to look back over 13 billion years and measure…
www.nsf.gov
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classtelescope.org
Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 16
To go along our recent result on reionization, the NSF Discovery Files podcast featured the CLASS project! #NSFfunded
www.youtube.com/watch?v=uemq...
Seeing the Big Bang's Cosmic Background | Podcast
YouTube video by National Science Foundation News
www.youtube.com
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classtelescope.org
Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 14
New detectors are installed on the new 90 GHz receiver at our Chile site! Go team!!
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 14
www.maisconhecer.com/tecnologia/1...
MaisConhecer - Telescópios terrestres oferecem uma nova visão do amanhecer cósmico
Portal Mais Conhecer
www.maisconhecer.com
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 14
Em português. Mais nos comentários.
www.correiobraziliense.com.br/ciencia-e-sa...
Os segredos do amanhecer cósmico são revelados, a partir do Chile
Uma equipe de cientistas conseguiu realizar a primeira observação direta do 'amanhecer cósmico' com telescópios instalados na Terra. Medir a reionização de forma mais precisa ajuda a refinar nossa com...
www.correiobraziliense.com.br
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 14
www.elnuevodia.com/ciencia-ambi...
Una ventana al origen: telescopios revelan nuevas pistas sobre las primeras estrellas tras el Big Bang
Equipo de investigadores ha logrado tener una imagen más clara de una de las épocas menos conocidas del universo
www.elnuevodia.com
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 14
www.dw.com/es/telescopi...
El "amanecer cósmico" visto desde la Tierra – DW – 11/06/2025
Un equipo de investigadores logra definir una imagen más nítida de una de las épocas menos comprendidas de la historia del universo empleando telescopios en lo alto de la cordillera de los Andes.
www.dw.com
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 14
www.infobae.com/america/agen...
Primera visión de luz del amanecer cósmico con un telescopio terrestre
Telescopios en los Andes chilenos logran observar el amanecer cósmico, registrando microondas polarizadas y desafiando las limitaciones de la astronomía terrestre en la búsqueda de señales del Big Ban...
www.infobae.com
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 14
www.astrobitacora.com/el-amanecer-...
El amanecer cósmico visto por telescopios terrestres — Astrobitácora
Un grupo de científicos ha visto el amanecer cósmico con telescopios terrestres, viendo cómo era el cosmos hace 13 000 millones de años.
www.astrobitacora.com
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 14
www.eltiempo.com/vida/ciencia...
Captan por primera vez señales del 'amanecer' del universo utilizando telescopios terrestres
Esto se consiguió utilizando telescopios en lo alto de la cordillera de los Andes, en el norte de Chile.
www.eltiempo.com
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 14
En español! Más en los comentarios!
www.telemundo.com/shows/amp/rc...
Telescopios revelan nuevas pistas sobre las primeras estrellas tras el Big Bang
Los científicos lograron tener una imagen más clara de una de las épocas menos conocidas del universo.
www.telemundo.com
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 13
The new array of 90 GHz detector modules is assembled in Chile. Ready to go into the new telescope! #NSFfunded
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 13
www.futura-sciences.com/sciences/act...
« On pensait que c’était impossible » : des astronomes ont observé l’aube cosmique depuis la Terre pour la première fois !
L’aube cosmique. C’est l’une des époques de l’histoire de notre Univers qui reste la moins bien comprise. Mais aujourd’hui, pour la première fois, des astronomes ont réussi à l’observer depuis la...
www.futura-sciences.com
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 12
'People thought this couldn't be done': Scientists observe light of 'cosmic dawn' with a telescope on Earth for the first time ever www.livescience.com/space/astron...
'People thought this couldn't be done': Scientists observe light of 'cosmic dawn' with a telescope on Earth for the first time ever
For the first time, astronomers have used a ground-based telescope to observe polarized microwave light from the universe's earliest epoch. Their observations could give them a better understanding of...
www.livescience.com
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 12
www.404media.co/humans-have-...
Humans Have Now Seen the Dawn of Time from Earth After Breakthrough
Telescopes perched on the Andes Mountains glimpsed elusive encounters fueled by the first of the first stars in the universe more than 13 billion years ago.
www.404media.co
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 12
www.ndtv.com/science/scie...
Scientists Observe Light Of "Cosmic Dawn" With Telescope On Earth For The First Time Ever
Cosmic dawn insights shed light on the universe's early stages, providing an understanding of the universe's origins.
www.ndtv.com
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 12
Scientists detect 13 billion-year old signal from Cosmic Dawn using Earth-based telescopes indianexpress.com/article/tech...
Scientists detect 13 billion-year old signal from ‘Cosmic Dawn’ using Earth-based telescopes
Using high-altitude telescopes in Chile, scientists have captured a faint 13-billion-year-old microwave signal from the Cosmic Dawn.
indianexpress.com
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 12
Ground-based telescopes pierce cosmic dawn for first time www.courthousenews.com/ground-based...
Ground-based telescopes pierce cosmic dawn for first time
Scientists achieve breakthrough measurement of the universe's earliest epochs from Earth.
www.courthousenews.com
classtelescope.org
Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 12
Earth-based telescopes offer a fresh look at cosmic dawn | EurekAlert! www.eurekalert.org/news-release...
Earth-based telescopes offer a fresh look at cosmic dawn
For the first time, scientists have used Earth-based telescopes to look back in time over 13 billion years to get a clearer picture of one of the least understood epochs in the history of the universe...
www.eurekalert.org
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Cosmology Large Angular Scale Surveyor @classtelescope.org · Jun 12
www.space.com/astronomy/as...
Astronomers see the 1st stars dispel darkness 13 billion years ago at 'Cosmic Dawn'
"Using the new common signal, we can determine how much of what we're seeing is cosmic glare from light bouncing off the hood of the Cosmic Dawn, so to speak."
www.space.com
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