Telescopes in Chile Capture Images of the Earliest Galaxies in the Universe

An international team of astronomers using the [*Cosmology Large Angular Scale Surveyor*](https://sites.krieger.jhu.edu/class/) (CLASS) [reported the first-ever measurement](https://hub.jhu.edu/2025/06/11/telescopes-look-at-cosmic-dawn/) announced the first-ever detection of radiation from the cosmic microwave background (CMB) interacting with the first stars in the Universe.

Jun 14, 2025 - 21:10
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Telescopes in Chile Capture Images of the Earliest Galaxies in the Universe

This all-sky image of the cosmic microwave background, created from data collected by the European Space Agency's Planck satellite's first all-sky survey. Credit: ESA/LFI & HFI Consortia

An international team of astronomers using the [*Cosmology Large Angular Scale Surveyor*](https://sites.krieger.jhu.edu/class/) (CLASS) [reported the first-ever measurement](https://hub.jhu.edu/2025/06/11/telescopes-look-at-cosmic-dawn/) announced the first-ever detection of radiation from the cosmic microwave background (CMB) interacting with the first stars in the Universe.