About 98 results
Open links in new tab
  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. Gravity/Gravitational Field - NASA Earthdata

    Dec 16, 2025 · Data from NASA satellite observations provide information about Earth's mean gravity field and inform monthly maps of the time-variable gravity field, both of which are useful …

  3. 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 …

  4. 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.

  5. StarChild: Stars - NASA

    Gravity causes the last of the star's matter to collapse inward and compact. This is the white dwarf stage which is extremely dense. White dwarfs shine with a white hot light but once all of their …

  6. This map, created using data from the Gravity Recovery and Climate Experiment (GRACE) mission, reveals variations in the Earth's gravity field. Dark blue areas show areas with lower …

  7. 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. …

  8. Sir Isaac Newton - NASA

    As the years progressed, Newton completed his work on universal , diffraction of light, centrifugal force, centripetal force, inverse-square law, bodies in motion and the variations in tides due to …

  9. 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 …

  10. Gravity Recovery and Climate Experiment | NASA Earthdata

    The NASA/German Space Agency (DLR) Gravity Recovery and Climate Experiment/GRACE Follow-on (GRACE and GRACE-FO) platform consists of two identical satellites that act in …