NASA probe makes closest-ever pass by the sun

FILE - This image made available by NASA shows an artist's rendering of the Parker Solar Probe approaching the Sun. The probe made history on Tuesday, flying closer to the sun than any other spacecraft. (Johns Hopkins APL/NASA)

NASA's pioneering Parker Solar Probe made history Tuesday, flying closer to the sun than any other spacecraft, with its heat shield exposed to scorching temperatures topping 930 degrees Celsius (1,700 degrees Fahrenheit).