UW Space Dialogue with Meredith Rawls

May 3, 2022 | DiRAC NEWS

Astronomy, satellites, and the future of our sky Join us Thursday, May 5th at Noon PDT on Zoom We are witnessing a new era as skies fill with thousands of low-Earth-orbit satellites that reflect sunlight. Observational astronomy at all wavelengths is increasingly affected, and so is the shared human experience of the night sky. For optical ground-based astronomy, the […]

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NASA releases first image from an in-focus Webb telescope

March 16, 2022 | Ars Technica | John Timmer

Distant galaxies come into focus as Webb is on track to meet or exceed expectations. Today, NASA announced that it has successfully completed two further steps to align the mirrors of the Webb telescope. The resulting performance indicates that Webb will meet or exceed its design goals.

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Hubble telescope spots a ‘Space Triangle’ galaxy crash with ‘tsunami of starbirth’

February 24, 2022 | space.com, Elizabeth Howell

“Part of the reason for that shape is that these galaxies are still so close to each other, and NGC 2444 is still holding on to the other galaxy gravitationally,” participating astronomer Julianne Dalcanton, of the Flatiron Institute’s Center for Computational Astrophysics in New York and the University of Washington in Seattle, said in the […]

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New IAU center to focus on solutions to satellite interference in astronomical observations

February 17, 2022 | UW NEWS

“We’re witnessing a new era as skies fill with thousands of bright satellites,” said Meredith Rawls, a research scientist with the Vera C. Rubin Observatory and the DiRAC Institute at the UW. “In just the last two years, astronomers have realized this will impact our ability to achieve science goals from ground-based facilities like Rubin Observatory.”

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Largest comet ever observed bumps Hale-Bopp from pedestal

February 14, 2022 | LIVEScience, Stephanie Pappas

The Bernardinelli-Bernstein comet is named after its discoverers, University of Washington postdoctoral scholar Pedro Bernardinelli, and University of Pennsylvania cosmologist Gary Bernstein, who first spotted the comet in the Dark Energy Survey dataset.

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