Answer the following question given this paragraph: 

Uranus is so far away that there has been relatively little exploration of the planet. The closest approach was a flyby by Voyager 2 in 1986. Great images have also been taken by the Hubble Space Telescope.


Q: What is the name of the spacecraft that has performed the closest flyby of uranus?

 Choices:

- Mercury 7

- centaur 2

- Zodiac 4

- voyager 2

A:
voyager 2
