Dec 28, 2020 · A new satellite mission sheds light on Earth's gravity field and provides clues about changing sea levels.

4 days ago · Gravity is one of the most fundamental forces of not just our planet, but the universe as a whole. Specifically, it’s the “pull” any object with mass exerts on every other object with …

Earth's mass is distributed between various landforms and features -- such as mountain ranges, oceans, and deep sea trenches -- that all have different mass, which creates an uneven …

Nov 14, 2012 · NASA's Crustal Dynamics Data Information System (CDDIS) provides data and information to support the international space geodesy community.

The Gravity Recovery and Climate Experiment Follow-on (GRACE-FO) mission succeeds the GRACE mission, which launched on March 17, 2002. In more than 15 years of operation, …

Dec 28, 2020 · For all these reasons, scientists use a theoretical sphere, defined by where sea level would be if the Earth were perfectly round. In theory, gravity makes the sea level by …

Dec 28, 2020 · This project, called the Gravity Recovery and Climate Experiment (GRACE), measures changes in the Earth’s gravity. But how do gravitational differences tell scientists …

Apr 19, 2021 · The technique for accomplishing this is called Precise Orbit Determination (POD). POD is part of the Earth science discipline of geodesy, which is concerned with the shape, …

Dec 12, 2025 · Geodesy is the science of the Earth’s shape, gravity, and rotation, including their evolution in time. Learn more about geodetic data and how they enable scientists to track …

The background gravity model used for data processing differs from the true gravity field of the Earth in two ways – by errors of omission of either certain geophysical phenomena or spatial …