A Planetary Nebula Is Created

question 139

Multiple Choice

A planetary nebula is created

• A) over several hundred years, during mass transfer in a close binary star system.
• B) over a few thousand years or more, in a slow expansion away from a low-mass star, driven by a series of thermal pulses from helium fusion.
• C) in hours or less, during the explosion of a massive star.
• D) in seconds, during the helium flash in a low-mass star.

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Definitions:

Transitions Tab

A section in presentation software like PowerPoint where you can select and apply different visual effects that occur between slides.

Specified Number

A particular number that is singled out or chosen for a specific purpose or requirement.

Seconds

Units of time equal to one sixtieth of a minute; also used to describe a moment or a very short period of time.

Slide Master View

In presentation software, a feature allowing users to edit the master slide, which controls the layout and style of all slides in a presentation.