Cassini just dove toward Enceladus, reaching down to 30km. On Earth, we’d call this re-entry as it would dip into the stratosphere. As a point of comparison, 747’s routinely fly at 12-14km above Earth, while Mt Everest reaches up to almost 9km above sea-level.
There’s going to be some awesome imagery and some great learning coming in over the next few days.
Here’s an infographic on Enceladus produced by NASA
