TOPEX/Poseidon over Earth

Early morning at the launch pad

Jason-1 Radiometer

Jason-1 Line Drawing

Poseidon-3 Altimeter

The joint U.S.-European Sentinel-6 Michael Freilich is the next in a line of Earth-observing satellites that will collect the most accurate data yet on sea level and how it changes over time. With ...

Watch the Jason-3 Science Briefing from Friday, Jan 15, 2016 - panelists discussed the science and research of the Jason-3 mission.

Jason-1: First Image

Jason-1 atop the Delta II Photo: Tom Shain

Ocean Dynamic Topography

TOPEX/Poseidon LRA

For NASA scientist Severine Fournier, studying our planet knows no borders.

Jason-3 3D Model

Jason-3 Animation

Altimeter Mission Series

TOPEX/Poseidon Artist's Concept

Oceans' Role in Climate - Jason-1

Applications of Spaceborne Altimetry

This artist's concept show Jason-3 over France.

Jason-3 Lifts Off!

Jason-1 Spacecraft Animation

Ionospheric Total Electron Content

Jason-3

Our planet is changing. Our ocean is rising. And it affects us all. That’s why a new international satellite will continue the decades-long watch over our global ocean and help us better understand...

Jason-1 readies for launch in its bay at Vandenberg, AFB (10/31/01)

The Antonov cargo aircraft carrying the Sentinel-6 Michael Freilich satellite touches down on the runway at Vandenberg Air Force Base in California on Sept. 24, 2020.