What Are Thermal Pulses

question 153

Multiple Choice

What are thermal pulses?

• A) They are the loops formed on the H-R diagram as the evolutionary tracks of low-mass stars move beyond the planetary nebula stage.
• B) They are the pulses of radiation emitted during helium shell flashes.
• C) This is another name for the high-luminosity pulses of radiation emitted periodically by variable stars.
• D) They are the burst of radiation given off during a nova.

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Definitions:

Condition

In contract law, a future, uncertain event that creates or extinguishes a duty of performance; a provision or clause in a contract that operates to suspend or rescind a party’s duty to perform.

Condition Precedent

A condition that operates to give rise to a contracting party’s duty to perform.

Close of Escrow

The finalization of a real estate transaction, where all conditions have been met and the property's title is transferred from the seller to the buyer.

Condition Subsequent

A condition in a contract that, when it occurs, terminates an existing obligation, making the contract's terms no longer binding.