One year, two trips around sun for NASA`s Parker Solar Probe
(PHYSorg.com Space & Earth)

Since NASA`s Parker Solar Probe launched on Aug. 12, 2018, Earth has made a single trip around the sun-while the daring solar explorer is well into its third orbit around our star. With two close passes by the sun already under its belt, Parker Solar Probe is speeding toward another close solar approach on Sept. 1, 2019.