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

Dec 26, 2025 · Gravity/Gravitational Field Data from NASA satellite observations provide information about Earth's mean gravity field and inform monthly maps of the time-variable …

Jan 2, 2026 · NASA's Crustal Dynamics Data Information System (CDDIS) provides data and information to support the international space geodesy community.

The GRACE Level-2 products, labeled GSM-2_*, represent mean updates to the gravity field of the Earth over the applicable GRACE data span and are relative to a selection of background …

Dec 5, 2025 · Two, measuring the Earth’s gravity field allows researchers to measure variations of Earth's gravity, which is the measurement used to assess the Colorado River Basin Aquifers. …

Jan 2, 2026 · Glaciers, also known as “rivers of ice,” actually flow. Gravity is the cause of glacier motion; the ice slowly flows and deforms (changes) in response to gravity. A glacier molds …

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, …

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 …

Jan 8, 2026 · Geodetics, or geodesy, is the science of studying Earth’s shape, gravity and its effect on phenomena such as polar motion, waterbody tides, and tectonic motion in three …

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 …