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satellites

Satellite dishes deployed in a wooded field in Russia
Posted inNews

Uganda Advances Toward Launching Its First Satellite

by H. Mafaranga 1 July 202114 April 2022

A new ground station and an expanded education network will lead to the launch of a security and Earth observation satellite in 2022.

View out the window of an airplane with part of a wing and cumulus clouds below visible
Posted inScience Updates

Taking Flight to Study Clouds and Climate

by A. Sorooshian, J. Atkinson, R. Ferrare, J. Hair and L. Ziemba 19 May 202119 September 2022

A new mission involving synchronized aircraft observations is collecting data vital for improving our understanding of how aerosol particles and clouds influence each other.

Plot showing an example of errors in estimates of thermospheric density derived using a range of different models.
Posted inEditors' Highlights

Better Thermospheric Monitoring is Vital to Space Safety

by Michael A. Hapgood 18 May 202127 July 2022

Better real-time estimates of thermospheric density are vital to the safe management of satellite traffic in Low Earth orbit, ensuring those satellites continue to deliver critical services.

A farmer weeds her field in Morogoro, Tanzania.
Posted inScience Updates

Sowing Seeds of Food Security in Africa

by C. Nakalembe, C. Justice, H. Kerner, C. Justice and I. Becker-Reshef 25 January 202110 March 2023

An innovative program focused on collaboration and capacity building is looking to improve outcomes for smallholder farmers, reduce hunger, and alleviate food insecurity in sub-Saharan Africa.

Illustration of a lot of debris orbiting Earth
Posted inOpinions

Charting Satellite Courses in a Crowded Thermosphere

by S. Bruinsma, M. Fedrizzi, J. Yue, C. Siemes and S. Lemmens 19 January 20213 November 2021

As the number of satellites in low Earth orbit grows by leaps and bounds, accurate calculations of the effects of atmospheric drag on their trajectories are becoming critically important.

A handheld compass sits amid rocks on a beach
Posted inScience Updates

Modeling Earth’s Ever-Shifting Magnetism

by A. Chulliat, W. Brown, P. Alken, S. Macmillan and M. Paniccia 14 January 20213 November 2021

The World Magnetic Model, updated every 5 years through an international collaboration, supports numerous technologies that help us find our way.

Radio towers at the VLF Transmitter Cutler in Maine
Posted inResearch Spotlights

Terrestrial Radio Signals May Suppress High-Energy Electrons

by Morgan Rehnberg 12 October 202018 January 2023

Naval radio signals may cause the formation of a barrier observed during geomagnetic storms that is seemingly impenetrable by relativistic electrons.

A satellite image of the Philippines’ Lingayen Gulf showing the aftermath of super typhoon Mangkhut in 2018
Posted inAGU News

Bringing Satellite Observations Down to Earth

Heather Goss, AGU Publisher by Heather Goss 25 August 202028 July 2022

This month’s issue of Eos shows how scientists can sometimes get a better look at something by stepping far—much, much farther—away.

Plots recording observations of electromagnetic ion cyclotron waves at four different locations
Posted inEditors' Highlights

All Hands on Deck to Catch Ion Cyclotron Waves

by Andrew Yau 7 August 202011 August 2022

An international armada of orbiting satellites and ground VLF network join forces to form a “magnetosphere-ionosphere observatory” to size up electromagnetic ion cyclotron waves in the magnetosphere.

Artist’s illustration of the SES-14 communications satellite above Earth
Posted inResearch Spotlights

A GOLDen Way to Study Space Weather

by Mark Zastrow 4 August 202029 September 2021

A NASA mission is observing airglow in the upper atmosphere and uncovering what it tells us about Earth’s space weather system.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

Extreme Heat May Drive Asthma Risk in Baltimore, Especially at Night

12 August 202612 August 2026
Editors' Highlights

How Fluid Mixing due to Kelvin-Helmholtz Instabilities Really Works

13 August 202613 August 2026
Editors' Vox

Introducing Research Letters in Paleoceanography and Paleoclimatology

12 August 202610 August 2026
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