The Period-Luminosity Relation for Cepheid Variables Was Discovered in 1908

question 79

Multiple Choice

The period-luminosity relation for Cepheid variables was discovered in 1908 by:

• A)William Herschel.
• B)Henrietta Leavitt.
• C)Harlow Shapley.
• D)Heber Curtiss.
• E)Edwin Hubble.

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Definitions:

TIPS Bond

Treasury Inflation-Protected Securities, a type of U.S. treasury bond that is indexed to inflation to protect investors from the negative effects of rising prices.

Nominal Rate of Return

The yield from an investment prior to considering inflation adjustments.

Treasury Bond

A long-term, fixed-interest government security with a maturity of more than ten years, considered a safe investment.

Bid

The price a buyer is willing to pay for a security or asset.