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What's happening at the AO?


Deep search observations using data from the Arecibo Observatory and the Green Bank Telescope reveal the atomic gas content of “Green Pea” galaxies for the first time. While Green Pea galaxies have similarities to other star-forming galaxies, they consume their atomic gas on very short timescales to fuel their intense star formation. + Read More

First-of-its-Kind Study Finds Lightning Impacts Edge of Space in Ways not Previously Observed Solar flares jetting out from the sun and thunderstorms generated on Earth impact the planet’s ionosphere in different ways, which have implications for the ability to conduct long range communications.

A solar flare erupted on the far side of the sun on June 4, 2011. Credit: NASA/STEREO/Helioviewer