A Supernova Remnant Is Expanding in Radius at the Rate

question 40

Multiple Choice

A supernova remnant is expanding in radius at the rate of 0.5 seconds of arc per year.Doppler shifts show that the velocity of expansion is 5700 km/sec.How far away is the supernova remnant?

• A) 1140 pc
• B) 11,400 km
• C) 5700 pc
• D) 24 pc
• E) 2400 pc

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Definitions:

Born Loser

A derogatory term suggesting an individual who is habitually unsuccessful or unlucky, often used to imply that failure is an intrinsic part of one's character rather than due to external circumstances.

Aversive Conditioning

A form of treatment that consists of repeated pairings of a stimulus with a very unpleasant stimulus.

Smoking-Cessation Program

Structured plans or interventions aimed at assisting individuals in quitting the habit of smoking tobacco.

Operant Principles

Operant Principles refer to concepts in behavioral psychology where behaviors are shaped or modified based on the consequences they produce, such as reinforcement or punishment.