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The perplexing question of missing cosmic antimatter

    From Forbes, Feb. 10, 2021: Fermilab scientist Don Lincoln explains why there should be equal amounts of matter and antimatter in the universe. There aren’t. He discusses several current theories that try to explain the discrepancy. Better understanding this imbalance is an aim of ongoing experiments, such as DUNE, which is being built at Fermilab.

    Four decades and millions of stars later, Sloan Digital Sky Survey co-founder retires

      From The University of Chicago Physical Sciences, Feb. 8, 2021: Fermilab scientist Richard Kron is retiring from the University of Chicago. He co-founded the Sloan Digital Sky Survey, which created the most detailed 3-D maps of the universe and recorded the spectra for more than 3 million astronomical objects. His approach influenced the Dark Energy Survey, which created one of the most accurate dark matter maps of the universe and which Kron will continue to direct.

      The spiral of the Southern Pinwheel

        From NOIRLab, Feb. 8, 2021: The Dark Energy Camera, originally used to complete the Dark Energy Survey, has taken the most detailed photo of Messier 83, also known as the Southern Pinwheel galaxy. (In DECam’s second act, scientists can apply for time to use it to collect data that is then made publicly available.) In all, 163 DECam exposures went into creating this image.

        Why astronomers are interested in this mysterious signal

          From CNN, Feb. 4, 2021: Fermilab scientist Don Lincoln contextualizes a recent signal that some think may be a sign of extraterrestrial intelligence, explaining the hubbub around the recent a transmission originating from Proxima Centauri. With hope for hearing such a signal one day and pride for humanity’s legacy of looking skyward, Lincoln cautions against reading too much into this transmission, which hasn’t yet been vetted with scientific review.

          By measuring light from individual stars between galaxy clusters, astronomers find clues about dark matter

            From Universe Today, Feb. 3, 2021: Recent published results from the Dark Energy Survey point to intracluster light — feeble light from rogue stars that don’t belong to a galaxy — as a potential pathway to measure dark matter. Fermilab scientist Yuanyuan Zhang contextualizes the findings.