In a nova, there is a white dwarf, an evolving companion star, and an accretion disk surrounding the white dwarf's equator.
What is an evolving companion star?
The galaxy is composed of so many stars. The stars are part of the outer space and they can be seen with the help of a telescope. There are so many kinds of telescope that could be used to view the outer space.
Thus, in a nova, there is a white dwarf, an evolving companion star, and an accretion disk surrounding the white dwarf's equator.
Learn more about accretion disk:https://brainly.com/question/1900229
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