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(future pair of space-weather warning satellites)

Lagrange is a conceived, mid-or-late-2020s ESA space mission consisting of a pair of satellites monitoring space weather from solar events, particularly to detect coronal mass ejections (CMEs) that pose a danger to technology on Earth and in Earth orbit. One of the two would be positioned at Lagrangian point L5, providing an earlier CME warning by viewing the Sun's Earth-ward surface in profile, potentially increasing warning time from a few minutes to a day or more. The other satellite would be stationed at L1, between Earth and the Sun, offering another view and additional data.

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solar physics