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With Mount Discovery in the background, Alex Chartier's ionosonde sits atop a scaffolding to better understand the giant clouds of charged gas in the ionosphere. Plasma Patch Atlas
Science / Space and Atmospheric Physics
Wednesday September 04, 2019

High above the surface of the Earth, flow giant, invisible clouds of charged gas that can degrade radio transmissions, disrupt GPS Signals and play havoc with other communications and navigation systems. But they're not always showing up when scientists predicted. This year geophysicist Alex Chartier traveled across Antarctica to figure out what's going on in Earth's upper atmosphere.
At the far end of the McMurdo Dry Valleys, Jen Lamp performs some final checks before leaving her experiment out for the austral winter. The Flight of X-Calibur
Science / Space and Atmospheric Physics
Tuesday July 23, 2019

Antarctica can be a double-edged sword for astronomers: conditions there are some of the best in the world for observing the heavens, but the harshness of the place can be hard on equipment. In December 2018, astronomers who launched the x-ray telescope "X-Calibur" to study neutron stars and black holes got a taste of that contrast.

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