Starts With A Bang podcast #129 – Triton and the outer solar system

Triton is Neptune's largest moon today, but it was once the undisputed king of the Kuiper belt. Here's why the outer solar system matters.

May 9, 2026

This image shows a composite of Neptune's giant moon Triton, assembled from Voyager 2 imagery at the highest possible resolution. The dark streaks come from cryovolcanic geysers, also known as black smokers, from Triton's south polar region.

Credit : NASA/JPL

Neptune was discovered way back in 1846, and its large moon, Triton, was discovered just 17 days later.…