NASA's Psyche spacecraft is flying to a metal asteroid. So, why did it just visit Mars? - Space

NASA's Psyche spacecraft is flying to a metal asteroid. So, why did it just visit Mars?  SpaceNASA's Psyche Probe Completes Make-or-Break Mars Slingshot, On Course for Metal Asteroid in 2029  Tech TimesNASA’s Psyche spacecraft buzzing Mars on its way to a rare metal asteroid  KOLDNASA's Psyche mission set for a brief encounter with Mars  The RegisterNASA spacecraft to fly past Mars this week, on voyage to rare metal asteroid  CBS News