ITM Physics Laboratory

Exploring the Heart of Space Weather with the Geospace Dynamics Constellation

Doug Rowland | The Geospace Dynamics Constellation, or GDC, will provide the first direct global measurements of Earth’s atmospheric interface to space — a region where disturbances can cause space weather effects like scrambling of communications and navigation signals, satellite orbit disruptions, and induced currents that can trigger power outages on Earth. GDC’s unprecedented multi-point observations in the heart of this interface region will provide a shift in perspective on this region akin to the launch of the first weather satellites, allowing scientists to understand this complex, interconnected system as a whole. NASA Science Theater at AGU 2020!

The GDC Mission constellation concept

Find out more at the GDC Website

GDC Mission webpage. Within the region connecting our home to space, we see how weather from above and below impact our ability to live and work.

Placeholder Image

Find Fliers and posters about GDC here

The mission Poster and slide from the GDC town hall are at the mission website .

Placeholder Image

Planned GDC Ephemeris

GDC Planned Ephemeris Data Now Available for Download at the Mission website - Start planning now for how you will interact with GDC.

Upcoming Events

Monday, May 27, 2024
12:00 PM - 01:00 PM
Magnetosphere Online Seminar Series
The Magnetosphere Online Seminar Series is a weekly seminar held every Monday at 1200 Eastern Time unless otherwise stated. The Seminar Series is a set of overview talks marching through the magnetosphere, interspersed with software, mission, instrument tutorials, and Early Career talks.

The seminars will continue every Monday at 12 noon eastern. If you are interested in giving a seminar please contact us.

A link to join the seminar via Zoom or YouTube can be found on our home page (

Add your name to the mailing list here -

And see previous talks here -
Read more about this event
Wednesday, May 29, 2024
12:00 PM - 12:45 PM
Special Seminar: An Introduction to Equity as an Environmental Justice KPI
Please join us for a special seminar presented by Christian Braneon (Code 611) in observation of Intersectional Environmentalism Day (May 28).

Please stay tuned for more details as we get closer to the event.
Read more about this event
Wednesday, May 29, 2024
03:00 PM - 04:30 PM
Scientific Colloquium
Detecting Gravitational Waves with Pulsar Timing: Updates from NANOGrav and the IPTA
Thankful Cromartie (Naval Research Laboratory)
Read more about this event

Featured Videos

A Solar Wind Sea Shanty

Parodying the classic sea shanty "The Wellerman," “The Solar Wind: A Heliophysics Sea Shanty” illuminates one of the primary connections between the Sun and Earth, the solar wind. This video can be shared and downloaded at YouTube .

Welcome to the Ionosphere!

This little-explored region exists between space and Earth. It is home to the aurora, the international space station, a variety of satellites, and radio communication waves. Join us as we venture to this interface to space! This video can be downloaded from the Scientific Visualization Studio

Chasing Lightning: Spritacular

Follow along and watch this wonderful introduction to our newest citizen science group, Spritacular, as they learn more about all kinds of lightning, from elves, sprits, to transient luminous events. Get involved at

Placeholder Image

How you too can get involved with NASA Science

Science is for everyone and we want you to get involved! Check out all the amazing ways at the Goddard Citizen Science website!

Placeholder Image


Join the chase of lightning from the ground, engage with a global community of observers, and contribute your observations for NASA Science at Spritacular!

Placeholder Image


Want to learn more about the aurora and help scientist understand these dancing lights? Join up with others at Aurorasaurus and even get emails when the aurora might be in your area!

Placeholder Image

Radio Jove

Space is filled with radio waves! Help scientists learn more about where all these waves come from and how they are used to tell us more about our place in the universe at Radio Jove.


Earth Observatory Picture

Where the Wood Bison Roam