mars: exploring the red planet items/meeting...mars: exploring the red planet tom percy, ph.d....
TRANSCRIPT
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National Aeronautics and Space Administration
Mars: Exploring the Red Planet Tom Percy, Ph.D.
October 18, 2017
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1 Martian Day (Sol) = 24 hrs 40 min 1 Year = 687 days
Avg Temp = -80 °F Atm. Density ~ 1% Earth
Mars Gravity = 3.71 m/s2 (38% Earth)
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7
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8,000 miles
250 miles
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240,000 miles
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93 million miles 147 million miles
12 months
22.5 months Round Trip
Communication Time 7 - 45 minutes
Max Distance = 252 million miles Min Distance = 39 million miles
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200-300 days Earth to Mars 350-500 days at Mars 200-300 days Mars to Earth
Typical Mission is nearly 3 years away from Earth
Crew will travel 2000x farther and 200x longer than Apollo
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Launch from Earth
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In-Space Transportation
Nuclear Thermal Rockets
Chemical Propulsion
Solar Electric Propulsion
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Living in Space
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Landing on Mars
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Launching from Mars
Mars Ascent Vehicle (MAV) is a
launch vehicle landed on Mars to
put crew back into orbit.
• Largest Indivisible Cargo Element
• Highest Gear Ratio Item in
Architecture
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Living and Working on Mars
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QUESTIONS?
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Contact Information
Tom Percy, Ph.D.
National Aeronautics and Space Administration
Marshall Space Flight Center
Bldg 4601, Room 1318
MSFC, AL 35812
Office Phone: (256) 544-0397