Tag Archives: Geophysics

Martian Impacts Seen and Heard

Linking acoustic and seismic signals from meteorite strikes to orbiter images is a step toward mapping the planet’s interior. Continue reading

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Webb Telescope Searches for Exoplanet Atmospheres

The recent detection of CO2 around a distant Jupiter-like planet spurs
optimism for detecting atmospheric gases around Earth-like planets
orbiting faraway stars. Continue reading

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Icy Resonance

Ice sheets amplify clues from Iceland’s hidden volcanoes. Continue reading

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Unusual Flow

A transparent rock experiment shows how stretchy molecules kick up eddies. Continue reading

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Predicting the Shape of Pointy-Rock Forests

The shape and curvature evolution of dissolving rocks can be predicted using a new theory. Continue reading

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Linking Glaciers on Earth to the Climate on Mars

Geophysicist Jack Holt explains how Earth’s debris-covered glaciers can teach us about the climate history of Mars. Continue reading

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Ancient lightning may have provided the phosphorus necessary for life

On early Earth, lightning strikes created glassy rocks that hosted abundant soluble minerals, which were rich in phosphorus, a vital ingredient in biomolecules. Continue reading

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Railways could double as a tool for probing Earth’s shallow crust

Seismologists prospect for mineral deposits in Canada by recording the humming vibrations from freight trains. Continue reading

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Real-Time Measurements of Earth’s Spin and Tilt

An array of ring lasers provides the first continuous measurement of Earth’s motion from a single location.  Continue reading

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Seafloor avalanches travel fast and far

Acoustic measurements of sediment concentration quantify the wide-reaching influence of turbidity currents.  Continue reading

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