SEATTLE — Much like the smoke and carbon monoxide detectors arming your residence, a shoebox-sized product will constantly check the air astronauts breathe through NASA’s crewed Artemis missions to the moon.

The machine’s reason is to offer real-time knowledge about concentrations of oxygen, carbon dioxide and water vapor in the Orion spacecraft, which is the agency’s vehicle of alternative for its Artemis system. The air high-quality detector is also geared up with a strain sensor that alerts astronauts right before air stress in the capsule spikes to harmful amounts. This can be triggered by anomalies these kinds of as gas leaks.