AI Insight
Japan's Hayabusa 2 spacecraft has completed a flyby of asteroid Torifune, revealing it to be a contact binary asteroid with two lobes connected by a narrow neck, creating a "snowman" appearance. This type of asteroid forms when two separate bodies come into contact and remain gravitationally bound together. The observation adds to our understanding of how small solar system bodies interact and merge.
Why it matters
Contact binary asteroids provide valuable insights into planetary formation processes, particularly how smaller bodies coalesce to form larger objects in the early solar system. Studying these structures helps scientists understand the physical properties and evolution of asteroids, which is relevant for both planetary science and potential asteroid deflection strategies.
Understand the Science
Japan’s Hayabusa 2 mission has revealed another “snowman” asteroid — a pair of asteroids attached with a narrow neck. The contact binary could help shed light on planet formation.
The post Hayabusa 2 Completes Flyby Past Asteroid Torifune appeared first on Sky & Telescope.