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   What is planetary science?

   • Planetary science (or more rarely, planetology) is the scientific study of planets (including Earth ), celestial bodies (such as moons, asteroids, comets) and planetary systems (in particular those of the Solar System) and the processes of their formation.

   Planetary science - Wikipedia

   en.wikipedia.org/wiki/Planetary_science

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   What is NASA's planetary science program?

   • NASA’s planetary science program explores the objects in our solar system to better understand its history and the distribution of life within. For decades, NASA’s planetary science program has advanced scientific understanding of our solar system in extraordinary ways, pushing the limits of spacecraft and robotic engineering design and operation.

   Planetary Science - NASA Science

   science.nasa.gov/planetary-science/

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   What are the different types of planetary science?

   • It is a strongly interdisciplinary field, which originally grew from astronomy and Earth science, and now incorporates many disciplines, including planetary geology, cosmochemistry, atmospheric science, physics, oceanography, hydrology, theoretical planetary science, glaciology, and exoplanetology.

   Planetary science - Wikipedia

   en.wikipedia.org/wiki/Planetary_science

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   Which planetary system is best understood?

   • Of course, the best understood planetary system is our own Solar System. Comets and asteroids are remnants of the early years of the Solar System’s existence, providing us with a look at the environment before Earth formed. Astronomers have found similar chemical signatures on comets and in distant star systems, indicating some common processes.

   Planetary Systems | Center for Astrophysics | Harvard & Smithsonian

   www.cfa.harvard.edu/research/science-field/planetary-systems

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2. science.nasa.gov › planetary-sciencePlanetary Science - NASA Science

   science.nasa.gov › planetary-science

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   For decades, NASA’s planetary science program has advanced scientific understanding of our solar system in extraordinary ways, pushing the limits of spacecraft and robotic engineering design and operation.

3. science.nasa.gov › solar-systemSolar System Exploration - NASA Science

   science.nasa.gov › solar-system

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   The solar system has one star, eight planets, five dwarf planets, at least 290 moons, more than 1.3 million asteroids, and about 3,900 comets. It is located in an outer spiral arm of the Milky Way galaxy called the Orion Arm, or Orion Spur. Our solar system orbits the center of the galaxy at about 515,000 mph (828,000 kph).

4. Videos

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     Eight Wonders Of Our Solar System | The Planets | BBC Earth Science

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     Planets of our Solar System - BBC Bitesize

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     Solar System Exploration

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5. en.wikipedia.org › wiki › Planetary_sciencePlanetary science - Wikipedia

   en.wikipedia.org › wiki › Planetary_science

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   It is a strongly interdisciplinary field, which originally grew from astronomy and Earth science, [1] and now incorporates many disciplines, including planetary geology, cosmochemistry, atmospheric science, physics, oceanography, hydrology, theoretical planetary science, glaciology, and exoplanetology. [1]

6. www.nature.com › articles › d41586/024/01332-w‘Milestone’ discovery as JWST confirms atmosphere on an Earth ...

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   5 days ago · Earth’s thin atmosphere is crucial for sustaining life, and being able to spot atmospheres on similar terrestrial planets is an important step in the search for life beyond the Solar System.

7. science.nasa.gov › solar-system › planetsPlanets - NASA Science

   science.nasa.gov › solar-system › planets

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   Learn about the eight planets and five dwarf planets in our solar system, and the exoplanets beyond. Find out how NASA is exploring the planets with spacecraft, rovers, and missions.

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9. www.usgs.gov › science › science-explorerPlanetary Science 101 | U.S. Geological Survey - USGS.gov

   www.usgs.gov › science › science-explorer

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   Overview. Science. News. What is planetary science? Planetary science is the study of planetary processes across the solar system. Planetary scientists come from many different fields, including geology, physics, chemistry, biology, and computer science.

10. www.cfa.harvard.edu › planetary-systemsPlanetary Systems | Center for Astrophysics | Harvard ...

    www.cfa.harvard.edu › planetary-systems

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    Planetary Systems. The Milky Way is home to hundreds of billions of planets, an estimate based on the thousands of known worlds discovered just within the last few decades. With this much information, astronomers work to understand the similarities and differences between planetary systems, including our Solar System.