Podcast
Questions and Answers
How far away is the Schiaparelli crater from Mark?
How far away is the Schiaparelli crater from Mark?
3,200 kilometers
How many months before a mission does NASA send to the MAV?
How many months before a mission does NASA send to the MAV?
48 months
How far away is Houston from Mars?
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?
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?
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?
What was the operational radius for Mark's mission?
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How many kilometers can a rover travel on a full charge?
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?
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?
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?
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?
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?
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?
At what angle do solar cells sit in the lightweight lattice that holds them?
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What does Johanssen like to read?
What does Johanssen like to read?
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On Sol 79, how long has Mark been on the road?
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?
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?
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?
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?
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?
What is the actual name of the Pathfinder site?
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How far does the Hab's nav beacon reach?
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?
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 ______________?
Phobos is the god of ______________?
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How many sols does Mark navigate through the valley which he names?
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?
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?
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?
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?
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!