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OK
Battery
100%
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Solar Flares
Sudden flashes of brightness on the Sun. They release huge amounts of energy and particles into space.
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Radio Blackout
X-rays from flares can mess up the ionosphere, blocking radio signals used for GPS and comms.
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Auroras
Charged particles hitting Earth's atmosphere create beautiful light shows near the poles.
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Monitoring
Scientists have tracked sunspots since 1610! Today, NOAA satellites watch the Sun 24/7.
Satellite Telemetry
Radiation Flux
LOW
Signal Noise
0.5 dB
Atmospheric Drag
NOMINAL
Solar Cycle Data
1980
2025
Sunspots follow an 11-year cycle. We are currently approaching a solar maximum!
Quick Check
What protects Earth from most solar wind particles?