No one has "been on" Neptune.
No there hasn't.
No. The only object that humans have been to other than Earth is the moon. So far Neptune has been explored by one unmanned space probe.
No one that we are aware of.
No. Nobody has ever been to Neptune. Also, Neptune is a gas planet. There is no solid surface to dig a hole in.
None has been to Neptune, so no one could possibly have been frozen on Neptune.
It has been released. We got it before anybody.
Neptune was discovered before Pluto.
As of yet, only the Voyager 2 probe has been sent to Neptune. It passed Neptune in 1989.
Im pretty sure that nones been to neptune not even us
1 time Neptune has been vist
There has only been one probe to Neptune and that was "Voyager 2".
the moon is the closet anybody has been