A Spacecraft Is About to Fly Into the Sun's Atmosphere for the First Time

Nicky Fox, chief of science at NASA, noted, "The Parker Solar Probe is critical for understanding the origins of solar wind, which affects space weather and satellite operations."

The Parker Solar Probe, at maximum speed, reaches 430,000 mph, and will make its closest approach to the sun on Christmas Eve, just 3.8 million miles away.

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