Pluto was the only planet not visited by a space mariner space probe.
jubter
Ours - Earth.
The planet with a core of nickel and iron and a crust 600 km thick is Mercury. Mercury's core makes up about 85% of its radius and is composed mainly of iron with some nickel. Its crust is thin compared to its core and mantle.
convection below the crust.
A rocky planet.
no it is a gas planet.
it is rockey and duty
That planet is Earth.
its location and rockey surface
neither neptune and uranus is an ice giant
A gas giant as we cannot see the surface.
because when its really Rockey like Pluto its forming to be a durf planet
Gas planets such as Jupiter have no crust as they are made primary of hydrogen and helium rather than rock. A terrestrial planet without a crust would not be all that different from a planet with a crust as the difference between the crust and the mantle of a planet has more to do with chemical composition than anything else.
The existence or not of an outer rocky crust above a rocky mantle. A gas planet has no crust.
Mason Dixon
Rockey Black is 5' 9".