Which of the Following Is NOT a Way in Which

question 59

Multiple Choice

Which of the following is NOT a way in which astronomers detect dark matter in clusters of galaxies?

• A) by determining the amount of mass necessary to gravitationally collapse clouds of gas to form the number of stars present
• B) by determining the amount of mass necessary to gravitationally hold onto the hot gas surrounding galaxy clusters
• C) by determining the amount of mass necessary to gravitationally hold a cluster of galaxies together
• D) by determining the amount of mass necessary to gravitationally lens images of distant objects
• E) None of the above; all of these are ways that astronomers detect dark matter in galaxy clusters.

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Definitions:

Primate Suborder

A subdivision within the order Primates, which includes humans, apes, monkeys, and prosimians.

Prosimi

Commonly refers to a group of primates that includes lemurs, lorises, and tarsiers, often characterized by their more primitive features.

Homo Antecessor

Early humans living in about 1.2 mya to 800,000 years ago; some scientists believe that they should be classified with Homo heidelbergensis.

Indonesia

A Southeast Asian country consisting of more than seventeen thousand islands, including Sumatra, Java, and parts of Borneo and New Guinea, known for its diverse cultures, languages, and landscapes.