Filling in 11 billion years of the universe’s expansion history

Pasadena, CA— Filling in the most-significant gaps in our understanding of the universe’s history, the Sloan Digital Sky Survey (SDSS) released Sunday a comprehensive analysis of the largest three-dimensional map of the cosmos ever created.

Letter from the Director: May 2020

Dear Friends, This spring has been a challenging time for all of us with the emergence of the COVID-19 pandemic. Like many of you, our scientists and support staff have been working at home since mid-March. At around that same time, we also made the unprecedented decision to temporarily close down...

Summer student excellence recognized

Last month three alumni from the Observatories’ prestigious summer student program were recognized with various honors for their scholarship and independent research projects. “These awards illustrate the caliber of students who are selected for our rigorous summer program, as well as the quality...

Observatories Scientists Respond to COVID-19 Crisis

During this global crisis, Carnegie Observatories astronomers are stepping up and finding different ways to lend their expertise to various volunteer and charitable efforts helping frontline healthcare workers, area schools, and other members of the community. Experts from our instrumentation team...

Postdoc Spotlight: Alexander Ji

What questions are you pursuing in your career? The questions that drive me are about the first stars and galaxies--those that formed in the first billion years of the universe. Right after the Big Bang the universe is kind of boring, but then about 150 million years afterwards, the first stars...

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