Video Archive

  • ALMA and IRAM Telescopes Reveal Inner Web of Orion Nebula

    New data from the Atacama Large Millimeter/submillimeter Array (ALMA) and the IRAM 30-m telescope have been used to create one of the largest high-resolution mosaics of a star formation region produced so far at millimeter wavelengths.

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  • Hubble’s Contentious Constant

    There are two leading ways to measure the universe’s rate of expansion, and for fifteen years, they more or less agreed with one another. Not anymore, and that’s a big deal.

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