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poles

Ice motion measurement
Posted inEditors' Vox

Ocean Tides Affect Ice Loss from Large Polar Ice Sheets

by L. Padman and M. R. Siegfried 20 February 201817 March 2023

A recent paper in Reviews of Geophysics discusses how ocean tides affect the motion of, and loss of ice from, the Antarctic and Greenland ice sheets.

Launch of JPSS Satellite NOAA-20
Posted inNews

Polar Satellite Launch Eases Concerns of Weather Data Gap

by Randy Showstack 20 November 20171 March 2023

Joint Polar Satellite System-1 is the first in a series of planned polar-orbiting satellites to provide critical weather forecasting data. Two follow-on satellites, however, face uncertain funding.

Researchers spot new details in Juno satellite images of Jupiter’s aurora
Posted inResearch Spotlights

Juno Gets Spectacular View of Jupiter’s Aurora

by Mark Zastrow 7 September 20178 August 2022

The NASA spacecraft has taken images of Jupiter’s powerful aurora dancing around its poles, revealing never-before-seen details in their structure.

Researchers use models to examine the orientation of poles on Neptune’s moon Triton
Posted inResearch Spotlights

Time, Tides, and Wandering Poles

by A. Branscombe 5 July 201715 March 2022

Models of Neptune’s moon Triton reveal curious behavior in how tidal forces and mass anomalies cause the poles to reorient their location.

New research suggests Jupiter’s aurora are produced by processes unlike those on Earth
Posted inResearch Spotlights

Mysterious Particle Beams Found over Jupiter’s Poles

by Mark Zastrow 19 June 201711 August 2022

The unexpected character of the beams, revealed by NASA’s Juno spacecraft, suggests that the processes that produce Jupiter’s auroras are unlike those on Earth.

A view of Mars’s south polar ice cap, taken by Mars Express.
Posted inScience Updates

Mars Polar Intrigue Spurs Multidisciplinary Collaboration

by I. Smith, D. Beaty and T. Thorsteinsson 20 March 20178 March 2022

Sixth International Conference on Mars Polar Science and Exploration; Reykjavík, Iceland; 5–9 September 2016

Researchers spot the cause of poleward boundary intensifications in Earth’s aurora
Posted inResearch Spotlights

Polar Interlopers in the Aurora

by L. Crane 9 March 201716 November 2021

A new study suggests that poleward boundary intensifications in the aurora are caused by fast flows of plasma from the poles into the auroral oval.

Researchers investigate the layers of ice and dust at Mars’s north pole.
Posted inResearch Spotlights

How Mars Got Its Layered North Polar Cap

by E. Underwood 8 February 20178 August 2022

Orbital wobbling shaped the dome of ice and dust at the planet's north pole.

Posted inEditors' Vox

Polarity Reversals in the Earth’s Magnetic Field

by F. Florindo 29 April 201627 January 2023

Studies of geomagnetic polarity reversals have generated some of the biggest and most interesting debates in the paleomagnetic and wider solid Earth geophysics communities over the last 25 years.

Posted inResearch Spotlights

Ionospheric Waves Linked to Polar Atmospheric Dynamics

by K. J. Knizhnik 25 April 201629 March 2022

Ionospheric waves are likely to be caused by processes in the polar atmosphere rather than by space weather.

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