QuickTime VR of TOPEX/Poseidon

Decades of Discovery - How altimeters help us every day.

TOPEX/Poseidon Line Drawing

A key ocean observation satellite has been named after Earth scientist Michael Freilich

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

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

Jason-3 Lifts Off!

t - 7 minutes - Photo: Tom Shain

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-1: TRSR instrument

Mike Davis in front of the faring

This video discusses the water cycle, which is the movement of water around the Earth, and its importance to life. Changes to the water cycle affect climate and vice versa.

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

OSTM/Jason-2 - All instruments plus data animation

SSH and SST - Global

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

Watching Our Oceans

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...

Jason-1 Launch Configuration

Jason-1 on top of the DPAF

Our World: How High is the Ocean?

OSTM/Jason-2 Spacecraft

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

Jason-1 Launch - Artists Concept

SpaceX Falcon 9 Rocket

The Jason-3 satellite, launched on January 17, 2016, is allowing scientists to continue a 23-year record of crucial ocean monitoring.