Dec. 27 (UPI) -- The Parker Solar Probe has successfully completed a historic close encounter with the sun, passing through its blazing corona in mankind's nearest approach to the star, NASA announced Friday. The probe, which was launched in 2018, passed within 3.8 million miles of the sun's surface as it swung around the celestial body at a speed of 430,000 mph, which is faster than any human-made object has ever moved, the agency said in a blog post . Advertisement Scientists were anxiously