loren w. acton montana state university january 20, 2011
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Interact Rotary Club Bozeman High School. Loren W. Acton Montana State University January 20, 2011. We humans are motivated to dream, to explore, to discover, to learn. "Dream no small dreams for they have no power to move the hearts of men." -- Johann Wolfgang von Goethe. - PowerPoint PPT PresentationTRANSCRIPT
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Loren W. ActonMontana State University
January 20, 2011
Interact Rotary ClubBozeman High School
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We humans are motivated to dream, to explore, to discover, to
learn.
"Dream no small dreams for they have no power to move the hearts of men."
-- Johann Wolfgang von Goethe
“It is difficult to say what is impossible, for the dream of yesterday is the hope of today
and the reality of tomorrow.”
-- Robert H. Goddard
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Dr. Robert H. Goddard1882-1945
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The beginning of space exploration
First view of Earth from a camera on V-2 #13, launched October 24, 1946. White Sands Missile Range/Applied Physics Laboratory
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J. F. Kennedy -- Rice UniversitySeptember 12, 1962
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Buzz Aldrin setting out scientific instruments on Apollo 11.
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Al Bean, tourist pose, Apollo 12
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Did Galileoget it right?
-Dave Scott, experimenter
Apollo 15
Painting by Al Bean, Apollo 12
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Apollo 16 Rover Grand Prix
Apollo 17 Oops! Apollo 17 “Dad gummit!”
Apollo 17 Rock hounds
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*July 29, 1985. Second launch attempt.
*
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Off to work on the ISS
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Soyuz, another route to the ISS
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“Butch” Wilmore gives a tour of the ISS
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Shuttle “Fly around”
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Wonders of Robotic Space Exploration
“Humans in space” have generated a grand public interest and excitement. Yet, it is robotic space explorations that have paid the biggest dividends of remarkable new knowledge and useful applications. E.g.,
• Solar physics and space weather.• Planetary exploration.• Astronomy and astrophysics.• Earth remote sensing, climate and weather.• Global Positioning System.• Communication and broadcasting.• Military intelligence.
Today we’ll touch on only a few exciting experiments.
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The GOES-13 satellite captured a "full-disk image" of North and South America on December 30 at 09:45 EST, as the world awaited the new year.
Credit: NOAA/NASA GOES Project
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A Robot's Shadow on Asteroid ItokawaHayabusa, a mission of ISAS/JAXA, Japan
Image of Itokawa taken by Hayabusa.
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Hayabusa capsule in Woomera, Australia, desert.
Sample return from Asteroid Itokawa. December 2010.
ISAS/JAXA HayabusaMission.
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First sample from Itokawa
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Snowstorm Engulfs Comet Hartley 2
Observed by NASA Deep Impact (extended) mission on November 4, 2010.
Comet Hartley 2, photographed on Oct. 13, 2010 by Nick Howes using the 2-meter Faulkes North Telescope in Hawaii.
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Source of the Hartley 2 snow storm.2 km
CO2 jet
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Solar Dynamics ObservatoryBlue: 0.8 MK, Green: 1.3 MK, Red: 2.0 MK
January 2011
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Big (M5.4) x-ray flare.6 Nov. 2010 15:36
NASA Solar Dynamics Observatory
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A coronal mass ejection (CME) observed by STEREO on Dec. 12, 2008
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NASA Stereo observations of the coronal mass ejection of 1 Aug 2010.
Bottom: Sun and its immediate surroundings (north at the top).
Top: Views past the Earth and beyond.
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Pub
lishe
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AA
AS
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Cartoon of a Coronal Mass Ejection and its Impact on the Earth’s Magnetosphere
http://www-istp.gsfc.nasa.gov/istp/outreach/cmeposter/movies
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Magnetic storm – 10 January 1997
Space Plasma Physics Group & Advanced Visualization Lab., Univ. of Marylandhttp://www.spp.astro.umd.edu/mhd/jan_cloud.htm
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Discovery of Cosmic Microwave Background, 1965Nobel Prize, 1978.
Images taken from: http://map.gsfc.nasa.gov/universe/bb_tests_cmb.html
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Variation from placeto place on the skyis as much as about± 0.004ºK.
Image taken from: http://map.gsfc.nasa.gov/universe/bb_tests_cmb.html
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Cosmic Background Explorer - 1992
Wilkinson Microwave Anisotropy Probe - 2001
CMB Temperaturerange = .0005K!
Credit: The InternetEncyclopedia of Science
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Diagram taken from: http://map.gsfc.nasa.gov/universe/bb_tests_cmb.html
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The CMB bottom line.
• Velocity of our solar system through the universe equals 368 km/sec.
• Age of the universe is 13.75 billion years (since the big bang).
• The universe is made up of: 4% ordinary matter23% dark matter73% dark energy
Oh, the adventure and wonder of space exploration!
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