Astronomers identify Neptune moon Nereid as possible survivor (opens in new tab)

A new study says Neptune’s remote moon Nereid may belong to the planet’s original satellite family, rather than being a later captured object. The work revisits a long-running puzzle about Nereid’s origin and Neptune’s unusual moon system.Highlights:Orbit puzzle: Science News called Nereid an “oddball” moon and linked the debate to its current orbit.Triton link: Phys.org connected the Nereid question to Triton’s chaotic arrival, a specific event in Neptune’s early history.Webb role: WP report...