What Ionizes the Gas in a Planetary Nebula and Makes

question 85

Multiple Choice

What ionizes the gas in a planetary nebula and makes it visible?

• A) X-ray photons emitted by a pulsar
• B) ultraviolet photons emitted by a white dwarf
• C) the shock wave from a supernova
• D) hydrogen burning in the nebular gas
• E) infrared photons from a nova explosion

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Definitions:

Equally

In a manner that showcases uniformity or parity in distribution, value, or measure among all parties or elements involved.

Individually Liable

A legal concept where an individual is personally responsible for fulfilling the obligations of a contract or debt.

Partnership Debts

Liabilities that are owed by a partnership, which are the joint responsibility of the partnership's members.

Mutual Agency

A legal principle in partnerships where each partner has the authority to act on behalf of, and bind, the partnership in contractual agreements.