When a Star Undergoes a Nova Explosion, It May Return

question 25

Multiple Choice

When a star undergoes a nova explosion, it may return to its "quiet state" and later become a nova again. What would allow a nova explosion to happen to a star more than once?

• A) the star that goes nova collides with several stars in a star cluster
• B) the star that goes nova has a companion star near it, which dumps material onto the first star and continues to do so even after the first nova explosion
• C) the star that goes nova has a number of massive planets around it which fall in
• D) the star that goes nova has an iron catastrophe in its core and then another step in the fusion of heavy elements producer another explosion
• E) a nova explosion happens each time a neutron star rotates to face us, and that happens every century or so

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Definitions:

Interdependence

The mutual reliance between different species, systems, or processes in an ecosystem, illustrating how a change in one can affect others.

Fundamental Ecosystems

Basic ecological units comprised of living organisms and their physical environment, interacting as a system.

Planetary Management

Planetary management is a worldview that regards the Earth as a system to be managed for the benefit of humans, focusing on the manipulation of natural systems to meet human needs.

Economic Growth

The increase in the market value of the goods and services produced by an economy over time, often measured as the percent rate of increase in the real gross domestic product (GDP).