Which Statement About Extrasolar Planets Found to Date Is True

question 46

Multiple Choice

Which statement about extrasolar planets found to date is true?

• A) All are terrestrials, comparable in size to Earth.
• B) Few are found by Doppler shifts of their stars, due to their gravity.
• C) All lie more than 2 A.U. from their star.
• D) Most have orbital periods of more than a year.
• E) Some are so close to their stars that their periods are just a few days.

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Definitions:

Ethnocentrism

The belief in the inherent superiority of one's own ethnic group or culture, often accompanied by a disregard for other cultures.

Cultivation

The process of promoting or improving the growth of something, often used in the context of agriculture or the development of skills and knowledge.

Family Size

Refers to the number of individuals in a family unit, including parents and children.

Birth Order

The chronological order of sibling births in a family, which is believed to influence personality and behavioral traits.