You Observe a 0

question 47

Multiple Choice

You observe a 0.8 M_⨀ white dwarf in a binary orbit around a main-sequence star of mass 1.4 M_⨀.Which of the following is most likely the original mass of the star that became the white dwarf?

• A)0.5 M_⨀
• B)1 M_⨀
• C)0.8 M_⨀
• D)1.4 M_⨀
• E)3 M_⨀

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Definitions:

Barbary Wars

A series of conflicts between the United States and the Barbary States in North Africa in the early 19th century, aiming to stop pirate attacks on American shipping.

Causes

The reasons or motivations behind certain actions, events, or phenomena, explaining why something happens or the factors leading to a particular outcome.

Consequences

Consequences are outcomes or effects that result from a particular action or set of conditions, often implying a focus on the results of actions and their impact on future events or situations.

Monroe Doctrine

A United States policy that opposed European colonialism in the Americas, stating that any intervention by external powers in the politics of the Americas would be seen as an act of aggression.