SOLAR-1 Space Weather Monitoring Satellite

In June 2026, the United States activated SOLAR-1, its first dedicated satellite for continuous space weather monitoring, after completing an eight-month testing and commissioning phase.

What is SOLAR-1?

  • A dedicated space weather satellite designed to continuously monitor solar activity.
  • Observes: solar winds & coronal mass ejections (CMEs).
  • Operated as part of the United States' space weather early-warning network.

Key Features

  • Positioned at: Lagrange Point-1 (L1), about one million miles from Earth between the Sun and Earth.
  • Provides: Continuous and unobstructed monitoring of solar activity.
  • Can transmit CME images to forecasters within 30 minutes, compared to up to 8 hours in earlier systems.

Why ....

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