6 blue earth images showing the progression of nightside vertical ion drift
Sep 21, 2022

Penetrating Electric Field Simulated by the MAGE and Comparison with ICON Observation

Observations and simulations from FPI and TIEGCM
Aug 31, 2022

Penetrating Electric Field Simulated by the MAGE and Comparison With ICON Observation

The polar view of the percentage difference of simulated ∑O/N2 and GOLD observed ∑O/N2 between DOY 111 and 110 at 15:10 UT in 2019. The perimeter latitude is 30°N
Jul 11, 2022

The effects of IMF By on the middle thermosphere during a geomagnetically “quiet” period at solar minimum

Data from NASA’s Global-scale Observations of the Limb and Disk, or GOLD, mission reveals the twin bands of charged particles that persist near the equator at night
Nov 18, 2021

NASA Features Research by HAO Scientist Xuguang Cai

HIWIND thermospheric winds
Nov 18, 2021

HIWIND Observation of Summer Season Polar Cap Thermospheric Winds

The simulated vertical E x B drift velocity (Wi), and the changes of the vertical drift velocity due to the flares, at 300 km and12:00 LT (September 6th – September 11th, 2017)
Nov 17, 2021

Responses of the Thermosphere and Ionosphere System to Concurrent Solar Flares and Geomagnetic Storms

The comparison between the GOLD map and TEC2 map on DOY 72 in 2019 23:10-23:40 (top) and 23:55-24:25 (bottom)
Nov 16, 2021

Comparison of GOLD nighttime measurements with total electron content: preliminary results

(top) The Kp and Dst index of three cases (DOY 145 to 148; DOY 153 to 156; DOY 162 to 165); (middle) latitude-longitude distribution of ∑O/N2 percentage difference between two quiet days in three cases; (bottom) percentage difference of ∑O/N2 between disturbed and quiet days in three cases. Corresponding local time is marked on longitude interval
Nov 16, 2021

The 2‐D Evolution of Thermospheric ∑O/N2 Response to Weak Geomagnetic Activity During Solar‐Minimum Observed by GOLD

Polar maps of the simulated electron density at pressure level 2 (~300 km) in the Northern Hemisphere as a function of geographic latitude and local time on 17 March 2013
Nov 16, 2021

Formation of Double Tongues of Ionization During the 17 March 2013 Geomagnetic Storm

The latitude-longitude distribution of the OI 135.6 nm radiance measured by GOLD Channel B from 22:25 to 23:55 UT (22:25, 22:55, 23:10, 23:25, 23:40 and 23:55) on Nov 19, 2018
Nov 16, 2021

Observation of Postsunset OI 135.6 nm radiance Enhancement in South America by the Global-scale Observation of Limb and Disk (GOLD) Mission

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