Which of the following comets has NOT been visited by spacecraft?
A) Halley
B) Wild 2
C) Tempel 1
D) Hartley 2
E) Shoemaker-Levy 9

Question

Quizplus · Accepted Answer

Shoemaker-Levy 9 was a comet that broke apart and collided with Jupiter in 1994, but it was not visited by a spacecraft. The other answer choices have all been visited by spacecraft: Halley by the European Space Agency's Giotto probe in 1986, Wild 2 by NASA's Stardust spacecraft in 2004, Tempel 1 by NASA's Deep Impact probe in 2005, and Hartley 2 by NASA's EPOXI mission in 2010.

Which of the Following Comets Has NOT Been Visited by Spacecraft