It's of the nucleus of comet 67P/Churyumov–Gerasimenko, photographed by the ESA Rosetta spacecraft.
That bright white plume is a jet of dust and water ice blasting from the nucleus—helping form the comet's long, dusty tail as it approaches the Sun.
“I want to see her return … What they’ve done with her is really great & I love the journey she’s taken”
(Source: theplaylist.net/elizabeth-ol...)
Always feel so blessed to see a celestial event 🌌