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How Far is Far?. Average of 238,000 Miles Earth to Moon Distance.

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Presentation on theme: "How Far is Far?. Average of 238,000 Miles Earth to Moon Distance."— Presentation transcript:

1 How Far is Far?

2

3 Average of 238,000 Miles Earth to Moon Distance

4 93,000,000 Miles 1 Astronomical Unit (AU) Sun to Earth Distance

5 BodyAU 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

6 Solar System Model 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

7 Calculating Distance Viewpoint B Viewpoint A Viewpoint B Parallax

8 Viewpoint B Viewpoint A

9 186,000 miles/second The Light-Year X 60 minutes/hour X 24 hours/day X 365 days/year X 60 seconds/minute 5,865,696,000,000 miles/year

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

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

12 100,000 Light-Years The Size of Galaxies

13 The Galactic Neighborhood 2 Million Light-Years

14 Hubble Deep Field Image

15 Questions?


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