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  1. What is gravity? - NASA

    Newton's "law" of gravity is a mathematical description of the way bodies are observed to attract one another, based on many scientific experiments and observations. The gravitational …

  2. Matter in Motion: Earth's Changing Gravity | NASA Earthdata

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

  3. Gravity/Gravitational Field - NASA Earthdata

    Sep 30, 2025 · Gravity is the field around physical bodies, such as planets, that draws objects toward its center. Earth's gravitational field can be measured by orbiting satellites that can …

  4. Teachers' Center Activity: Gravity Effects on Planet Motion - NASA

    1. Introduction: Review the definition of gravity Drop a ball and explain why it falls downward Explain that the strength of a gravitational pull is determined by the masses of the objects …

  5. StarChild: Glossary - NASA

    GRAVITATIONAL PULL See Gravity GRAVITY The force of attraction between two objects which is influenced by the mass of the two objects and the distance between the two objects. …

  6. NASA’s twin Gravity Recovery and Climate Experiment (GRACE) satellites can detect groundwater by measuring subtle variations in Earth’s gravity. This image shows the world’s …

  7. Getting at Groundwater with Gravity - NASA Earthdata

    Dec 28, 2020 · Publication from NASA ESDIS describing research uses of data from EOSDIS - scientists use a pair of new satellites to keep up with groundwater resources.

  8. Unstructured Data Management Platform - Graviti

    As a platform for unstructured data management, Graviti Data Platform provides services in data hosting, version control, data visualization, and collaboration. You can also integrate Graviti …

  9. Graviti - Data Platform to Accelerate AI and Machine Learning

    Graviti accelerates data-driven innovation by improving productivity and achieving scalability for your machine learning projects or business analytics. Discover hidden value in your …

  10. StarChild: Galaxies - NASA

    A galaxy is a cluster of stars, dust, and gas which is held together by gravity. Galaxies are scattered throughout the universe and they vary greatly in size. A galaxy may be alone or it …