ScienceSpaceAsteroid samples from NASA's epic OSIRIS-REx mission show Bennu was born from fire and ice
NASA's OSIRIS-REx asteroid samples suggest Bennu formed 4.5 billion years ago near the boundary between hot and cold regions of our early solar system.
A new investigation into the isotopic composition of asteroid Bennu, of which NASA returned samples to Earth, has found it probably formed on the line between hot and cold in the planet-forming disk that bequeathed the solar system.
Scientists analysing samples from asteroid Bennu, returned to Earth by NASA in 2023, have revised our understanding of where and how it formed.
Isotopic analysis of iron, titanium and chromium in the 120-gram sample suggests Bennu formed near the snow line, closer to the sun than previously thought.
Bennu may give scientists their clearest window yet into the primordial material that assembled into Earth and the other terrestrial planets, researchers say.
The study found Bennu may offer our best glimpse of the original chemical mix from which Earth and the other rocky planets were built, researchers say.
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