On April 20, 2025, NASA's Lucy spacecraft made a historic overflight of the asteroid (52246) Donaldjohanson, a body located in the main belt between Mars and Jupiter. What the instruments recorded during that approach has shaken expectations: the asteroid's surface houses iron-rich philosilicates, a type of mineral that is formed only after a chemical reaction with liquid water. This finding, published in Science magazine, proves that the astero…
On April 20, 2025, NASA's Lucy spacecraft made a historic overflight of the asteroid (52246) Donaldjohanson, a body located in the main belt between Mars and Jupiter. What the instruments recorded during that approach has shaken expectations: the asteroid's surface houses iron-rich philosilicates, a type of mineral that is formed only after a chemical reaction with liquid water. This finding, published in Science magazine, proves that the astero…