Venus is a planet, not a comet, so it does not have a tail.
Uranus was initially mistaken for a comet by William Herschel in 1781 when he first observed it through a telescope. It was later confirmed to be a planet due to its consistent orbit and lack of a visible coma or tail, typical of comets.
From Earth it would be the Sun, which, however not a planet, but a star
The Milky Way and the Sun aren't "planets", so I suppose it would be Earth by default.
The planet furthest from the sun
It is a comet.
No. It is a comet. It is too small to be a planet.
No. It is a comet. It is too small to be a planet.
Neither. It is considered a dwarf planet. It is much larger than a comet.
The planet Jupiter was hit by a number of fragments of the Comet Shoemaker-Levy9.
Venus is a planet, not a comet, so it does not have a tail.
No, Mercury is a planet.
Comets.
Basically, Earth is a planet, the Sun is a star, and a comet is an icy small body of ice.
No planet has a "tail". I believe you are thinking of a comet.
No, it's a "dwarf planet".
A comet.