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Understanding Distances in Our Solar System: Earth to Moon and Beyond

Discover the average distances within our solar system, including the Earth to Moon distance of 238,000 miles and the Earth to Sun distance of 93 million miles, defined as 1 Astronomical Unit (AU). Explore the remarkable distances to other planets: Mercury (39 AU), Venus (72 AU), Mars (1.5 AU), Jupiter (5.2 AU), Saturn (9.5 AU), Uranus (19.2 AU), Neptune (30.1 AU), and Pluto (39.5 AU). Learn about the vastness of space, light-years, and our position in the Milky Way galaxy.

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Understanding Distances in Our Solar System: Earth to Moon and Beyond

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Presentation Transcript

  1. How Far is Far?

  2. Earth to Moon Distance Average of 238,000 Miles

  3. Sun to Earth Distance 1 Astronomical Unit (AU) 93,000,000 Miles

  4. Body AU Mercury .39 Venus .72 Earth 1.0 Mars 1.5 Jupiter 5.2 Saturn 9.5 Uranus 19.2 Neptune 30.1 Pluto 39.5

  5. Diameter Orbital Radius Model Diameter Scaled Radius Body in Miles in Miles in Inches in Feet Sun 865,000 9 Mercury 3,032 36,000,000 .0314 31 Venus 7,521 67,000,000 .0782 58 Earth 7,926 93,000,000 . 0823 81 Mars 4,228 141,000,000 . 0437 123 Jupiter 88,846 483,000,000 .9021 419 Saturn 74,898 886,000,000 .7528 769 Uranus 31,763 1,782,000,000 .3035 1,546 Neptune 30,775 2,794,000,000 .2937 2,425 Pluto 1,423 3,666,000,000 .0 140 3,186 Solar System Model

  6. Viewpoint B Viewpoint A Parallax Calculating Distance Viewpoint A Viewpoint B

  7. Parallax Viewpoint A Viewpoint B

  8. The Light-Year 186,000 miles/second X 60 seconds/minute X 60 minutes/hour X 24 hours/day X 365 days/year 5,865,696,000,000 miles/year

  9. Alpha Centauri A & B Proxima Centauri Our Nearest Neighbors 5 Light-Years 4.2 Light-Years

  10. The Solar Neighborhood Galactic Center ~ 40,000 Light-Years

  11. 100,000 Light-Years The Size of Galaxies

  12. 2 Million Light-Years The Galactic Neighborhood

  13. Hubble Deep Field Image

  14. Questions?

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