What Did Harlow Shapley Discover About Globular Clusters That Allowed

question 28

Multiple Choice

What did Harlow Shapley discover about globular clusters that allowed him to determine the size of the galaxy and the Sun's location within it?

• A)The clusters are confined to a thin plane
• B)The clusters are all located at the same distance from the Sun
• C)The center of the distribution of clusters is far from the Sun
• D)All of the clusters are located in a region a few parsecs across

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Definitions:

Parapsychology

The study of paranormal phenomena, including ESP and psychokinesis.

Psychokinesis

The claimed ability to move or manipulate objects with the mind without physical interaction.

ESP

Extrasensory perception, the ability to gain information about an object, person, location, or physical event through means other than the known human senses.

Phantom Limb

A phenomenon in which individuals experience sensations, including pain, in a limb that has been amputated.