N OT TO S CA LE PA R K E R A R TIST'S CO N CE P T: N ASA / JO H N S H O PK IN S A PL / STE V E G R IB B E N; L AU N C H: B ILL ING A LL S / N ASA Parker will swim in the hot corona as it's being heated and taste the nascent solar wind as its particles are being accelerated. u LAUNCH The United Launch Alliance Delta IV Heavy rocket lifts into the air, carrying the Parker Solar Probe sunward. sk yandtelescope.org * NOVEMBER 2 02 0 21http://skyandtelescope.org