No, this isn't a solar eclipse. It's an image of Mars, captured by NASA's asteroid-bound Psyche probe - Space

1. No, this isn't a solar eclipse. It's an image of Mars, captured by NASA's asteroid-bound Psyche probe  Space
2. NASA's Psyche asteroid probe will fly within 3,000 miles of Mars on May 15: Here's what to expect  Space
3. NASA’s Psyche Mission to Fly by Mars for Gravity Assist  NASA Science (.gov)
4. NASA's Psyche probe nears Mars for gravity boost en route to metal-rich asteroid  Yahoo
5. NASA is using Mars as a slingshot—and the photos will be stunning  Scientific American