Gravity field measurements from decade-old lunar orbiter provide a proxy for counting craters.
gravity
Posted inNews
Monitoreando terremotos a la velocidad de la luz
Nueva investigación utiliza la gravedad y un modelo de aprendizaje automático para estimar instantáneamente la magnitud y ubicación de grandes terremotos.
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Monitoring Earthquakes at the Speed of Light
New research uses gravity and a machine learning model to instantaneously estimate the magnitude and location of large earthquakes.
Posted inResearch Spotlights
卫星激光揭示地球水运动的变化
GRACE-FO卫星上基于激光的仪器可以扩展到其他地球物理应用，用来收集地球系统中月内时间尺度上的质量变化的数据。
Posted inResearch Spotlights
Fresh Approaches to Processing GRACE Data
Two studies showcase new methods for analyzing GRACE data that better match the land surface, producing clearer estimates of mass variations.
Posted inResearch Spotlights
Satellites’ Lasers Reveal Changes in Earth’s Water Movement
The laser-based instruments aboard the GRACE-FO satellites may be extended to other geophysical applications to collect data on other submonthly mass changes in Earth’s system.
Posted inFeatures
Tidally Locked and Loaded with Questions
Tidally locked planets always present the same face to their host stars. What does this mean for their potential to support life?
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Can Uranus’s Rings Reveal the Planet’s Deepest Secrets?
Planetary rings can act as seismometers that respond to changes deep within a planet.
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Can NASA’s Gravity Satellites Detect Motions in Earth’s Core?
Measurements of our planet’s gravitational field could expose processes in the fluid outer core—if scientists can decipher the signals.
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Gravity Data Reveal Unexpected Antarctic Ice Variations
A new analysis of long-term satellite records shows the East Antarctic Ice Sheet is unexpectedly dependent on fluctuations in weather. This study may improve models of how much sea levels will rise.