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  • Directory - NASA Solar System Exploration
    NASA’s real-time science encyclopedia of deep space exploration Our scientists and far-ranging robots explore the wild frontiers of our solar system
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    Trevor Macduff is an award winning science teacher from Pasco, Washington He currently teaches at the alternative high school in Richland, where he uses Space Science as the context for a wide variety of hands-on learning experiences
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    Introduction The planetary system we call home is located in an outer spiral arm of the Milky Way galaxy Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as Pluto; dozens of moons; and millions of asteroids, comets, and meteoroids
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    Halley's Connection to Meteor Showers Each time Halley returns to the inner solar system its nucleus sprays ice and rock into space This debris stream results in two weak meteor showers each year: the Eta Aquarids in May and the Orionids in October
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    Dennis Crowley was raised in a United States Air Force family and wanted to fly the X-15 at age 5! He developed a keen interest in aviation and aerospace at an early age and was highly motivated in high school and college
  • Stardust Stardust NExT - NASA Science - NASA Solar System Exploration
    Firsts Stardust was the first spacecraft to bring samples from a comet to Earth Key Dates Feb 7, 1999: Launch Feb 22 to May 1, 2000: First interstellar dust collection operation was carried out Jan 15, 2001: Stardust flew by Earth for a gravity assist Nov 2, 2002: Stardust flew by asteroid 5535 Annefrank Jan 2, 2004: Closest encounter with Comet Wild 2 (or 81P Wild)
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    Ward Yohe enjoys sharing the NASA vision with others; loves hiking, camping, backpacking, biking, snowshoeing, and kayaking with his wife Sharon and other friends; and considers Washington's Salish Sea region to be one of the most fantastic spots on Planet Earth
  • In Depth | Perseids – NASA Solar System Exploration
    About the Meteor Shower The Perseid meteor shower, which peaks in mid-August, is considered the best meteor shower of the year With swift and bright meteors, Perseids frequently leave long "wakes" of light and color behind them as they streak through Earth's atmosphere
  • In Depth | 2P Encke – NASA Solar System Exploration
    Discovery Comet 2P Encke was first discovered by Pierre F A Mechain on Jan 17, 1786 Other astronomers located this comet in subsequent passages, but these sightings were not defined as the same comet until Johann Franz Encke calculated its orbit





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