-The HST visual wavelength image shown above is an example of a __________, where gaseous material is blown off the surface of a white dwarf.
A)planetary nebula
B)supernova
C)nova
D)None of the other choices are correct.

Question

-The HST visual wavelength image shown above is an example of a __________, where gaseous material is blown off the surface of a white dwarf. 
A)planetary nebula 
B)supernova 
C)nova 
D)None of the other choices are correct.

Quizplus · Accepted Answer

A nova occurs when a white dwarf in a binary system accretes material from its companion star, leading to a thermonuclear explosion on its surface, which blows off gaseous material.

-The HST Visual Wavelength Image Shown Above Is an Example