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Hubert Staudigel chips away at volcanic rock while Hanna Asefaw takes down notes at Cape Armitage on Ross Island. Tracking Earth’s Past Magnetic Moments
Science / Earth
Tuesday March 14, 2017

The key to understanding Earth’s prehistoric magnetic field lies hidden in the rocks. Specifically, igneous rocks, basalts that cooled from liquid magma spewed out of volcanos. Geologist Lisa Tauxe of the University of California, San Diego, and her team, traveled to Antarctica to collect rock samples that can tell them more about the planet's magnetic field over the past few million years. The research was funded by the National Science Foundation, which manages the U.S. Antarctic Program.
The Cosmic Dust Sucker sits on the edge of the South Pole's clean air sector, pulling in air and filtering out micrometeoroids. The Cosmic Dust Sucker
Science / Oceans and Atmosphere
Wednesday January 04, 2017

The Earth is constantly showered with micrometeorites, every minute of every day. These interstellar particles are no bigger than a grain of sand, but are falling out of the sky everywhere. Collecting this cosmic dust, and separating it from terrestrial contamination, has led scientists to the most remote corner of the planet.

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Curator: Michael Lucibella, Antarctic Support Contract | NSF Official: Peter West, Office of Polar Programs