Artemis 2 was both a milestone and a test: how prepared are we to go back the Moon, and where can we improve? That said, it doesn\u2019t take a historic mission for scientists to investigate critical safety measures\u2014and sometimes, the breakthroughs on this front can coincide with particularly relevant developments in spaceflight.<\/p>\n
The finding in question concerns the prevention of fire outbreaks in space. In a brief report<\/a> presented at the Lunar and Planetary Science Conference, NASA researchers announced the Flammability of Materials on the Moon (FM2)<\/a> mission, which will for the first time test how fires work on planetary bodies other than Earth. In late 2026, the mission will launch four solid fuel samples and record flame characteristics under lunar gravity for an extended period of time.<\/p>\n \u201cThe tests will provide benchmark data and are part of the larger effort to understand how Lunar gravity will affect material flammability,\u201d wrote the researchers.<\/p>\n A drop of fire <\/p>\n Fires during space missions can be catastrophic<\/a>, as fire behaves differently under microgravity. On Earth, a small flame assumes a droplet-like shape due to a combination of rising hot gas and gravity\u2019s downward pull on cooler, denser air. This type of motion doesn\u2019t appear in microgravity, where flames tend to take a rounder, spherical shape, according to a NASA blog post<\/a> on combustion science.<\/p>\n \u00a0<\/p>\n As such, NASA\u2019s engineers have established a test called NASA-STD-6001B<\/a> to determine which materials are suitable for spaceflight. Over the years, NASA has conducted numerous combustion experiments<\/a> to gather information on the odd physics of fire in space.<\/p>\n The elephant in the room <\/p>\n Despite NASA\u2019s extensive research into flammability in space, researchers only have a rough estimate of how our current knowledge on this matter could extend to lunar missions. According to the latest report on FM2, based on current numerical and experimental evidence, researchers predict that \u201clunar gravity could be more hazardous since flame spread rate is a function of gravity peaks\u201d in certain partial gravity environments. This also has implications for designing space suits, the team added.<\/p>\n