ESA · Space

ESA's FLEX Mission to Monitor Plant Health via Fluorescence

Plants emit a faint glow, known as fluorescence, as they photosynthesize. This invisible signal can indicate how plants utilize sunlight and react to environmental stresses.

ESA's Fluorescence Explorer (FLEX) mission aims to detect this subtle glow from space. Utilizing its sensitive FLORIS instrument, FLEX will map plant fluorescence globally.

This will provide scientists with a novel method for observing plant health and photosynthetic activity on a worldwide scale.

The data gathered will enhance understanding of vegetation's response to a changing climate, including drought impacts.

Furthermore, FLEX observations are expected to improve our knowledge of global carbon and water cycles.

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