The Reason Type Ia Supernovae Are Useful to Astronomers for Determining

question 16

Multiple Choice

The reason type Ia supernovae are useful to astronomers for determining distances to other galaxies is that

• A) they only occur in spiral galaxies, for which no other way of getting distances is available
• B) it is easy to measure the blueshift produced by such explosions
• C) they are much larger than many other objects that can be seen in galaxies
• D) they are very bright, and generally reach the same peak luminosity
• E) they produce very energetic pulsars whose radio radiation can be detected across vast distances

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Definitions:

Consideration

Something of value exchanged between parties in a contract, required for the agreement to be legally binding.

Legally Sufficient Consideration

An element of contract law that requires something of value to be exchanged between the parties involved.

Consideration

Something of value (such as money, services, or goods) that is exchanged between parties in a contract, rendering the agreement legally binding.

Legally Sufficient Consideration

In contract law, it refers to something of value that is exchanged between the parties, supporting a binding agreement.