Questions and Answers
How far away is the Schiaparelli crater from Mark?
3,200 kilometers
How many months before a mission does NASA send to the MAV?
48 months
How far away is Houston from Mars?
4 to 20 light-minutes
How long did it take Ares 4's MAV to get to Mars?
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Of the distance required to reach the Schiaparelli crater, how many kilometers is nice, smooth terrain?
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What was the operational radius for Mark's mission?
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How many kilometers can a rover travel on a full charge?
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What is the least number of days it might take Mark to get to Ares 4?
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What is the top speed in kilometers per hour that a rover can travel?
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How many square meters of solar paneling does Mark have?
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How many solar cell panels will Mark need to bring with him on his trip to Ares 4?
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How long does Mark wait for the resin for his saddlebags to set up?
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At what angle do solar cells sit in the lightweight lattice that holds them?
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What does Johanssen like to read?
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On Sol 79, how long has Mark been on the road?
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How long can Mark go in a day before his first battery runs out?
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How long does Mark have to sit around while his batteries recharge?
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If Mark makes a trip to Ares 4, how long does he think it will take?
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On Sol 80, how far does Mark reckon he is from Pathfinder?
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What is the actual name of the Pathfinder site?
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How far does the Hab's nav beacon reach?
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On Sol 75, what does Mark name the valley that allows him to follow the hills rather than simply navigate by Phobos?
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Phobos is the god of ______________?
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How many sols does Mark navigate through the valley which he names?
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On Sol 81, how far is Mark from Pathfinder?
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When Mark landed on Mars, which crewman was he out of the MDV?
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Of all people who had stepped on Mars, what number was Mark?
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On Sol 82, what landmark does Mark see that indicates he is near Pathfinder?
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Study Notes
Distance and Time Measurements
- Schiaparelli crater is located 3,200 kilometers away from Mark.
- NASA sends a mission to the MAV 48 months prior to launch.
- Travel distance from Houston to Mars can vary between 4 to 20 light-minutes.
- Ares 4's MAV requires 11 months to reach Mars.
- 650 kilometers of the journey to Schiaparelli is on nice, smooth terrain.
Rover and Mission Operations
- Mark's mission has an operational radius of 10 kilometers.
- A rover can travel up to 35 kilometers on a full charge.
- The top speed of Mark’s rover is 25 kilometers per hour.
- Mark has over 100 square meters of solar paneling available for energy.
Solar Requirements
- For his journey to Ares 4, Mark needs to bring 14 solar cell panels.
- Solar cells are mounted at a 14-degree angle for optimal energy capture.
Journey Timeline and Logistics
- It may take a minimum of 35 days for Mark to reach Ares 4.
- Mark estimates that his trip to Ares 4 could last up to 50 days.
- On Sol 79, Mark has been traveling for 8 days.
- Mark can operate the rover for only 2 hours before needing to recharge the battery, which takes 12 hours to complete.
Mapping and Navigation
- On Sol 80, Mark estimates he is 100 kilometers from Pathfinder.
- The actual name for the Pathfinder site is the Carl Sagan Memorial Station.
- The Hab’s navigation beacon has a reach of 40 kilometers.
- Mark names a navigational feature "Lewis Valley," where he can follow hills instead of relying solely on Phobos.
Personal Details and Context
- Mark is the fifth crewman to exit the MDV upon landing on Mars.
- He is the seventeenth person overall to have stepped on Mars.
- On Sol 81, he is 22 kilometers away from Pathfinder.
- Mark notes the Twin Peaks as a landmark indicating proximity to Pathfinder.
- Johanssen enjoys reading Agatha Christie novels.
Martian Mythology
- Phobos is the god of fear in mythology.
Navigation and Exploration Challenges
- Mark navigates through Lewis Valley for a total of 3 sols to simplify his route toward his objectives.
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Description
Test your knowledge on the distance and time measurements related to a Mars mission. This quiz covers the operational aspects of rover missions, solar energy requirements, and journey timelines. Perfect for anyone interested in space exploration!