NASA’s Parker Solar Probe and the European Space Agency’s (ESA) Solar Orbiter performed incredibly hot spacecraft gymnastics to help solve a cosmic mystery about the Sun. The Sun’s atmosphere, known as its corona, has a temperature of around one million degrees Celsius, while its surface is only about 6000 degrees. This begs the question of

Source: Hot Hardware – NASA And ESA Team Up For Spacecraft Gymnastics To Solve An Old Mystery Of Our Sun