Artist concept of space weather showing an active Sun with flares and a CME in the upper right, the Earth in the lower right with types of technology affected by space weather to the lower left; satellites, airplanes, the ISS and ground-based electrical lines.
Heliophysics

Studying the Sun-Earth connection.

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Features

Celebrating CINDI on Its Fifth Anniversary

This graphic shows when high frequency radio waves, such as those used for the Global Positioning System (GPS) travel through a disturbed layer of Earth’s electrically charged atmosphere, the ionosphere, they can be disrupted.
04.15.13

On April 16, 2008, a suite of NASA instruments was launched to study a unique region of space: the electrically charged portion of the upper atmosphere called the ionosphere, a region crucial for ...

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Lightning-made Waves Leak Into Space

Still from video showing how atmospheric waves generated by lightning can escape Earth's atmosphere.
11.28.11

Lightning bursts create electromagnetic waves that circle around Earth creating a low frequency wave called Schumann resonance. These have now been detected in space and can be used to study our ...

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Comic Relief Helps Explain NASA Science

Cartoon showing Cindi standing on a satellite
10.13.10

Cindi, a spiky-haired android space girl, helps students visualize a NASA mission that produces no pretty pictures.

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Mission Overview

    CINDI: Coupled Ion Neutral Dynamic Investigation

    Model of CNOFSImage Credit: U.S. Air Force


    The CINDI investigation is a key component of the science objectives of the Communication/Navigation Outage Forecast System (C/NOFS) undertaken by the Air Force Research Laboratory and the Space and Missile Command Test and Evaluation Directorate. CINDI will study the elements that influence space weather near Earth’s equator.

    C/NOFS was successfully launched from the underside of a Lockheed L-1011 on April 16, 2008, at 10:02 a.m. Pacific time.

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