TOPEX/Poseidon Instruments

TOPEX/Poseidon Ground Tracks

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

Experts from NASA, ESA, EUMETSAT, and NOAA discuss the upcoming launch of Sentinel-6 Michael Freilich in a recorded live broadcast

For NASA engineer Shannon Statham, building spacecraft is all about being creative.

Greenland and Antarctica are home to most of the world's glacial ice – including its only two ice sheets – making them areas of particular interest to scientists.

TOPEX/Poseidon Launch

Recorded live launch broadcast of Sentinel-6 Michael Freilich

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.

NASA Climate Watcher Waves Goodbye

The ocean-observing Sentinel-6 Michael Freilich satellite launched from Vandenberg Air Force Base in California aboard a SpaceX Falcon 9 rocket on Nov. 21, 2020 at 12:17 p.m. EST

SSH and SST - Indian Ocean

B-roll for media. The Sentinel-6 Michael Freilich is an Earth-observing satellite that will collect data on sea level and how it changes over time. By measuring sea surface height, scientists world...

Oceans of Climate Change

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

Watch the Jason-3 Mission Briefing from Friday, Jan 15, 2016 - panelists gave an overview of the Jason-3 mission.

Jason-1 Spacecraft Animation

Decades of Discovery - How altimeters help us every day.

QuickTime VR of TOPEX/Poseidon

For over 20 years NASA has been tracking the global surface topography of the ocean in order to understand the important role it plays in our daily lives. Climate change is causing our Ocean to war...

The Argo stop-motion animation aims to inspire children (and adults) to engage with marine science. It is quirky, fun and informative at the same time. The animation explains what an Argo float is,...

A SpaceX Falcon 9 rocket lifts off from Space Launch Complex 4 at Vandenberg Air Force Base carrying the Jason-3 spacecraft. Liftoff was at 10:42 a.m. PST (1:42 p.m. EST).

Jason-3 Animation

Sentinel-6 Michael Freilich Launch footage

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 ...

SSH and SST - Pacific Ocean