Ionosphere Archives - Page 3 of 8

Space Science & Space Physics

Research Spotlight 30 May 2018

Mysterious Aurora Borealis Feature Explained for the First Time

High-speed particles cause indentations in the magnetopause to form “throat auroras.”

Space Science & Space Physics

Researchers examine a large plasma hole generated by a satellite launch to understand the impacts of anthropogenic space weather.

Research Spotlight 1 May 2018

Understanding the Effects of Anthropogenic Space Weather

A large plasma hole generated by the vertical launch of the Formosat-5 satellite created temporary navigating and positioning errors of up to 1 meter, according to a new study.

Atmospheric Sciences

Swirling cloud formation and the aurora borealis over the northern Atlantic Ocean, looking toward the North Pole

Feature 20 March 2018

How Sudden Stratospheric Warming Affects the Whole Atmosphere

High above Earth’s surface, air temperatures occasionally increase suddenly, producing widespread effects on weather, air chemistry, and telecommunications.

Space Science & Space Physics

Editors' Highlights 16 February 2018

Modeling Geospace: Quantifying the Known-Unknowns

Imperfect knowledge of high-latitude forcing of the coupled ionosphere-theremosphere system translates into uncertainty in the low-latitude and midlatitude response to a geomagnetic storm.

Atmospheric Sciences

Researchers use sounding rockets to measure how Earth’s auroras affect winds in the upper atmosphere.

Research Spotlight 29 January 2018

Sounding Rockets Probe the Northern Lights Above Norway

Scientists measure how the aurora affects winds in the upper atmosphere.

Space Science & Space Physics

Editors' Highlights 19 January 2018

New Observations of Mysterious Radar Echoes

Exploring the relationship between solar extreme ultraviolet radiation flux and 150-km radar echoes.

Space Science & Space Physics

An illustration of the Earth’s magnetic field lines, generated by the planet’s swirling liquid outer core.

Research Spotlight 3 January 2018

Tracing Electric Currents That Flow Along Earth’s Magnetic Field

A new study uses satellite data to examine a worldwide system of electric currents in greater detail than ever before.

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Planetary Sciences

Editors' Highlights 28 November 2017

Where Did the Water Go on Mars?

Primordial solar storm conditions are believed to have significantly enhanced the loss of water and other atmospheric volatiles in Mars’ history.

Space Science & Space Physics

Editors' Highlights 3 November 2017

New Insight into Ionospheric Feedback Instability

A new modeling effort could change our understanding of auroral arc formation.

Atmospheric Sciences

Researchers trace long-term changes in the ionosphere back to Sun cycles, not greenhouse gas emissions.

Research Spotlight 13 October 2017

Is There a Greenhouse Effect in the Ionosphere, Too? Likely Not

Controversial observations of long-term changes in the ionosphere appear to be explained by the Sun’s 11-year cycle of activity, not human greenhouse gas emissions.