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  1. Only showing results from science.gsfc.nasa.gov

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  2. science.gsfc.nasa.gov

    Neptune. Neptune is the eighth planet from the Sun, and receives only 1/900 of the sunlight received at Earth. Of the 4 giant planets, it radiates the most internal heat relative to what it receives from the Sun. ... It also has the strongest winds in the solar system, in excess of 800 miles per hour. A large storm, the Great Dark Spot, was ...
  3. science.gsfc.nasa.gov

    NSSDCA maintains a set of fact sheets on the planets, moons, and other solar system objects, including bulk properties, orbital parameters, and other useful data. Contact Us. Elizabeth Kamara Project Support Specialist 301-286-0966 elizabeth.f.kamara@nasa.gov. Coordinated Request and User Support Office
  4. science.gsfc.nasa.gov

    The Solar System Exploration Division conducts theoretical and experimental research to explore the solar system and understand the formation and evolution of planetary systems. Laboratories within the division investigate areas as diverse as astrochemistry, planetary atmospheres, geochemistry, geophysics, geodynamics, space geodesy, extrasolar planetary systems, and comparative planetary studies.
  5. science.gsfc.nasa.gov

    This is an image of the dwarf planet Eris (center) and its satellite Dysnomia (at 9 o'clock position) taken with NASA's Hubble Space Telescope on Aug. 30, 2006. Credit:(NASA/ESA/M. Brown) These, and dwarf planet candidates Orcus and Quaoar, all cross the orbit of Neptune and are classified as Trans-Neptunian Objects (TNOs).
  6. science.gsfc.nasa.gov

    The Astrophysics Science Division supports the GSFC astrophysics projects by providing scientific leadership and undertakes a research program to achieve NASA's strategic science goals. The key questions addressed by the Divisions research programs include: How do galaxies, stars, and planetary systems form and evolve? What is the diversity of worlds beyond our solar system?
  7. science.gsfc.nasa.gov

    In addition, each planet, moon, asteroid, and comet interacts with the solar output in a different way depending on its size, distance from the Sun, atmospheric composition, axial tilt, orbital eccentricity, and magnetic field. The Sun also interacts with the interstellar medium in a boundary layer called the heliopause.
  8. science.gsfc.nasa.gov

    This study found that the most common cold planets have masses similar to Neptune, with planets of higher and lower masses less common. A follow-up paper, by Drs. Suzuki and Bennett with the MOA team and several theorists, argues that the microlensing results do not support the idea of runaway gas accretion in the formation of giant planets.
  9. science.gsfc.nasa.gov

    The distant Oort cloud marks the gravitational edge of the Solar System, in a vast region of undiscovered objects. The boundary between the Kuiper Belt and Oort cloud is less distinct. ... There is speculation of other large planets in this region that may disturb comets in their vicinity, but none have yet been discovered. Fun Facts. the Oort ...
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