Astronomy quiz question: Jupiter's liquid metallic hydrogen

Astronomy 210 Quiz 7, Fall Semester 2010
Cuesta College, San Luis Obispo, CA

Jupiter's __________ is evidence that it contains liquid metallic hydrogen.
(A) strong magnetic field.
(B) cloud bands parallel to the equator.
(C) flattened shape.
(D) infrared radiation.

Correct answer: (A)

The circulation of Jupiter's liquid metallic hydrogen is the dynamo creating its strong magnetic field.

Section 70158
(A) : 17 students
(B) : 15 students
(C) : 1 student
(D) : 11 students

"Success level": 45% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.17