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Moon Fire: NASA's Artemis Explores Lunar Flames
11 Jul
Summary
- NASA plans lunar combustion experiments to study fire outside Earth.
- Lunar gravity affects flames, creating unique "cool flame" behavior.
- Experiment FM2 is the first combustion study on another planetary body.
NASA is preparing to conduct the first-ever combustion experiments on the lunar surface as part of its Artemis program. These experiments, named Flammability of Materials on the Moon (FM2), will investigate how fire operates in the Moon's reduced gravity, which is about one-sixth of Earth's. On Earth, gravity causes flames to have a teardrop shape, but in space, they tend to form spherical "cool flames."
The lunar environment's gravity creates a "Goldilocks zone" where flames may burn longer and differently than on Earth. Understanding these differences is vital because materials that are non-flammable on Earth could pose a fire risk on the Moon. This research is essential for ensuring the safety of astronauts and developing protocols for both intentional and unintentional fires.
The FM2 experiment is planned for the Artemis IV mission, scheduled to launch in early 2028, which aims to land astronauts on the Moon for the first time since 1972. Similar combustion studies could also inform future missions to Mars, where gravity is also lower than Earth's.
