Lesson 7 of 7 · Lunar Exploration Accelerator Program
LEAP: prepare a contribution for lunar exploration
8 minute lesson · 3 checks along the way
Your goal for this lessonConnect a development portfolio to the requirements of a particular payload.
In this lesson 3 sections · 3 checks
Using archive links & definitions
Words with a dotted underline open a short definition right here in the lesson.
Read & understand
A portfolio rather than one spacecraft
Canada’s Lunar Exploration Accelerator Program, or LEAP, supports science and technology for lunar and deeper-space exploration. Its portfolio includes development, demonstrations, scientific participation and contributions to partner missions. The program can support work at different levels of maturity. A concept study, a prototype and an integrated flight payload are therefore different outcomes even when all serve the same exploration ambition.
The historical capability-demonstration opportunity describes support for developing and integrating Canadian payloads for lunar or nearby space missions. Its early target dates were proposed activity windows, not evidence that each supported project reached the Moon. To understand a particular contribution, follow its own technical milestones and mission results rather than borrowing completion from the program’s broad purpose.
Check 1 of 3
10 pointsUse the reading above. You can try again without losing points.
Read & understand
A payload must fit a larger system
Consider a fictional lunar instrument that requires eight watts when measuring and two watts when idle. Its communication unit needs six watts while transmitting. The host provides a twelve-watt limit for the combined contribution. Measuring and transmitting simultaneously would demand fourteen watts, exceeding that limit. Running one activity at a time can respect the limit if the remaining requirements are also met.
A proposed sequence might collect data first, store it, and transmit while the instrument idles. During that transmission the two-watt idle load plus six watts for communication totals eight watts. These numbers are invented, not specifications for a LEAP payload. They show why a promising device must be evaluated together with its host, operating modes and supporting equipment.
An operating sequence can change peak demand
Original teaching diagram. INVENTED SIMULTANEOUS MODE. Measurement: 8 W. Transmission: 6 W. UNDER A 12 W LIMIT. Together: 14 W, too much. Idle + transmit: 8 W. A sequential plan still needs timing, storage and thermal checks.
Open full-size diagram in a new tab: An operating sequence can change peak demandCheck 2 of 3
10 pointsUse the reading above. You can try again without losing points.
Read & understand
A compatible plan still needs a demonstration
The arithmetic is only a starting point. Check whether the payload can store the collected data, maintain a suitable temperature and complete both activities inside the available time. A schedule that fits the average power limit may still need investigation of short peaks or startup loads. The host and payload teams must agree on the conditions their shared design actually has to satisfy.
A useful readiness review connects each requirement to its evidence and notes what remains untested. A successful ground sequence can reduce uncertainty, while an integrated test checks interactions that an isolated device cannot reveal. LEAP’s broader value is preparing contributions that can enter international exploration missions. Evaluating that value requires keeping supported capability, demonstrated performance and completed flight outcomes distinguishable, so that progress is recognized accurately at each stage.
Check 3 of 3
10 pointsUse the reading above. You can try again without losing points.
Put it together
Your lesson progress
Each check connects to a part of the story. Complete all 3 to earn your 25-point lesson bonus.
Explore further · Optional
Go to the source
Explore the evidence behind this lesson. These optional readings and videos open in a new tab.
- Read: CSA: Lunar Exploration Accelerator ProgramCompare the explanation and its assumptions with the worked example in this lesson.
- Read: CSA: LEAP capability demonstration opportunityHistorical 2020–2022 opportunity; its proposed 2024 activity window is not evidence that every project flew.
- Read: NASA: product realizationCompare the explanation and its assumptions with the worked example in this lesson.