Take the picture. Get it home.
A camera that sees more detail makes bigger pictures, and a spacecraft can only send home so much before the pass ends. Your team will fly the same observation with two cameras and work out which one actually delivers more to the ground.
A sharper camera takes better pictures. Does it get more of them home?
Learning outcomes · Grades 9–10
What you should be able to do, and the evidence that shows it.
- 01By the end of this mission, the learner will be able to quantify the data cost of the finer camera per usable image, and demonstrate this by reporting that figure with units.
- 02By the end of this mission, the learner will be able to model why a fixed downlink forces a choice between detail and coverage, and demonstrate this by relating both to the budget.
- 03By the end of this mission, the learner will be able to test whether each camera stays within the stated downlink budget, and demonstrate this by comparing both against that budget.
Before we start
A quick check of what you already know. There is no score.
The idea behind the mission
Two runs, one difference: the camera. Same orbit, same pass, same amount of data that can be sent home.
Detail costs data
A sharper picture is made of more information, so it takes more room. A spacecraft can only send home what fits in the time it has. That makes choosing a camera a trade: more detail per picture, or more pictures delivered.
Predict before you run
Before you run anything: which camera do you think will deliver more useful pictures to the ground, and why?
Which camera will deliver more useful pictures to the ground, and why?
At least 20 characters — say what you expect and why.
Configure the mission
These are the two set-ups you will compare. They are fixed on purpose: if only one thing differs between your runs, anything that changes was caused by it.
Baseline case
Simple camera
Candidate case
High-detail camera
- Write your prediction first.
- Change nothing except the camera.
- These results come from a model. No real image was captured.
Units stay attached to every result: angles in degrees (°), time in seconds (s), power in watts (W), energy in watt-hours (Wh), battery state in percent (%), and elevation in degrees (°) where available.
Run the Digital Twin
Fly the simple camera first, then the high-detail one. The downlink budget is the same for both.
Baseline
Simple camera
Candidate
High-detail camera
Run the baseline first so you have something to compare against.
Read the evidence
Compare the detail first, then the data. The second number is the one the mission depends on.
Run the Twin to produce evidence.
Make the engineering decision
Which camera would you fly, and which number in your evidence decided it?
Which camera do you recommend, and what evidence supports it?
What this does not prove
What this mission shows
- My prediction
- The camera comparison for the two spacecraft
- Where each number came from
- One thing this model does not cover
What it does not establish
- These results are produced by a model. No real image was captured and no real downlink took place.
- The cameras are teaching profiles, not real instrument designs.
- This lesson does not establish how any real payload would perform in orbit.
Name one thing this model does not tell you about a real camera in orbit.
Show what you understood
Formative feedback for you and your teacher. There is no official grade.
The sharper camera sees more detail. What does that cost?
Which pair of numbers shows whether a camera suits a mission with a fixed downlink?
Which camera would you fly, and which number decided it?
Name one thing this model does not tell you about a real camera in orbit.
Revisit the mission evidence
Formative · not an official grade
No formative evidence has been recorded yet.
Next: Write your prediction, run both set-ups, then pick the evidence that supports your answer.
Formative guidance only. Official grade: none. A teacher still reviews your written reasoning.