The Chill of Solar Minimum

The sun is entering one of the deepest Solar Minima of the Space Age. Sunspots have been absent for most of 2018, and the sun’s ultraviolet output has sharply dropped.

New research shows that Earth’s upper atmosphere is responding.

“We see a cooling trend,” says Martin Mlynczak of NASA’s Langley Research Center.

“High above Earth’s surface, near the edge of space, our atmosphere is losing heat energy. If current trends continue, it could soon set a Space Age record for cold.”

An historical record of the Thermosphere Climate Index.

Read the full article here:

The Chill of Solar Minimum


[Featured Photo: The TIMED satellite monitoring the temperature of the upper atmosphere]

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