Your Mission: Measure different body parts and explore how these measurements might change in space. How tall are you? Are …


It’s time to get up, move your body, and train like an astronaut!
Learn the key elements to keeping fit and staying healthy in space and on Earth with Mission X.
Up to 14 years old
Open worldwide

- Subtitles are available (automatically generated by YouTube) – select your language using the YouTube player controls.
Join Mission X
Complete physical and scientific activities, and upload them to earn steps. Each step earned helps Luna and Leo walk 384 400km – the distance from Earth to the Moon.
- Beginners
- Suggested up to 14 years old
- Complete activities and earn steps
- Help Luna and Leo walk to the Moon
- Language of choice
Walk to the Moon Challenge





Open worldwide: National Organisers help facilitate the project in each of our participating countries by providing local support. Visit your country page for more information.
Activities for in and outside the classroom
Explore the Mission X activities made by space scientists and fitness professionals working with real astronauts!
Did you know that jumping might be a key activity in keeping astronauts healthy in space? Try some jump rope …
Your Mission: Identify which plants are suitable for growing in space as a good source of nutrition for astronauts. Food …
Your Mission: Perform the Commander Crunch and Pilot Plank to improve the strength in abdominal and back muscles. Astronauts in …
Your Mission: Discover the fat content of a meal and formulate a balanced meal using fat content information. As astronauts …
Your Mission: Perform jump training with a rope to improve strength and endurance. On Earth, humans experience the effects of …
Your Mission: Explore the importance of hydration and identify the signs of dehydration. Since our bodies are made up of …
Your Mission: Perform an exercise with balls of different weights, as if you were in different gravitational conditions, to strengthen …
Your MissionAccumulate a total of 42 km (26.2 mi) as a team, an individual or as a family… it is …