QuickTime VR of TOPEX/Poseidon

TOPEX/Poseidon Ground Tracks

NASA and its partners announced the renaming of the mission, previously known as Sentinel-6A/Jason-CS.

In many communities in the U.S., sea level rise is already a factor in people’s lives in the form of high-tide flooding.

Growing up in landlocked Zimbabwe, NASA JPL engineer Shailen Desai was far from the ocean but still experienced its effects on the climate. Now, he is contributing to an international effort to tra...

The SpaceX Falcon 9 rocket carrying the Sentinel-6 Michael Freilich spacecraft lifts off from Space Launch Complex 4 at Vandenberg Air Force Base in California, Nov. 21, 2020, at 9:17 a.m. PST

Launch preparations are progressing! (11/21/01) Photos: Stacy Mitchell of John Hopkins APL/TIMED project

SSH and SST - Pacific Ocean

Changing conditions in the Pacific have stirred up Earth’s largest ocean and redistributed its heat, piling up warm waters along U.S. Western shores and raising sea level in the process.

Jason-3 Ready for Launch

The Sentinel-6 Michael Freilich satellite sits in front of a testing chamber where mission team members tested whether the spacecraft could endure the loud sounds it will encounter during launch.

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

Recorded live launch broadcast of Sentinel-6 Michael Freilich

The SpaceX Falcon 9 rocket, topped with the Sentinel-6 Michael Freilich satellite secured inside its payload fairing, is rolled to Space Launch Complex 4

To provide scientists with essential information about global and regional changes in the seas, NASA will launch the Jason-3 satellite from Vandenberg Air Force Base in California.

El Niño is characterized by unusually warm ocean temperatures in the eastern equatorial Pacific. The warmer water associated with El Niño displaces colder water in the upper layer of the ocean caus...

Sentinel-6 Michael Freilich Launch footage

Jason-1: JMR instrument

These photos were taken during the Dual Payload Attach Fitting (DPAF) mating operation with Jason-1. (11/13/01) Photos: Scott Michel

Jason-1 Poster

Sentinel-6 Michael Freilich will join a long-standing family of Earth observing satellites from NASA and European partners.

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

Jason-3

One of the best ways to understand Earth's ocean is from the perspective of space.

SpaceX Falcon 9 rocket, topped with the Sentinel-6 Michael Freilich satellite secured inside its payload fairing, is rolled to Space Launch Complex 4

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