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Extreme Environments: 5 M iles F rom Anywhere

Join Victor Andersen, Professor of Physics, as he takes you on a journey to the extreme environments of near space and low Earth orbit, where humans cannot survive without advanced technology. Discover the fascinating microclimates, scientific research, and commercial applications in these remote regions.

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Extreme Environments: 5 M iles F rom Anywhere

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  1. Extreme Environments: 5 Miles From Anywhere Victor Andersen Professor of Physics Community College of Aurora

  2. Humans Live in an Unusual Environment • Microclimate: “The climate of a very small or restricted area, especially when this differs from the climate of the surrounding area.”

  3. We Usually Think of Space as This

  4. Better to think of space being 5 miles away (vertically) • Climate does not support human life (at 5-7 miles, insufficient air, radiation dose 10x surface dose) • Reachable only after advent of aviation (airplanes, balloons, rockets)

  5. Near Space to Low Earth Orbit • Region is hard to reach, but very interesting! • Scientifically • Biology • Chemistry • Atmosphere/Magnetosphere • Radiation • Many commercial applications

  6. Balloon Altitudes (20-50 kilometers)

  7. Bacteria in the Atmosphere • Bacteria common up to tropopause • Types seen same above/below tropopause (division between troposphere and stratosphere) • Three new species detected higher in the stratosphere (UV resistant)

  8. Google’s Project Loon

  9. Suborbital Flights(62.5 to 1000 kilometers)

  10. Super Soaker Mission Studies formation of clouds at around 85 km, due to water vapor deposition at those altitudes (effects of rocket exhaust).

  11. Space Tourism (Sub-Orbital) • Virgin Galactic: SpaceShipTwo launched from airplane • Blue Origin: New Shephard capsule launches on reusable rocket

  12. Low Earth Orbit(160 to 2000 Kilometers)

  13. Survivability of Water Bears in Space • ESA experiment to test survivability of water bears exposed to vacuum and radiation (10 days exposure) • Some survive and reproduce

  14. The CubeSat Revolution • Example: Orbital Micro Systems • 3U cubesats to provide high time and spatial resolution weather data

  15. Our work at CCA • Over 15 Balloon Experiments • 3 Rocket Experiments • All student designed

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