Why Are We Unlikely to Find Earth-Like Planets Around Halo

question 96

Multiple Choice

Why are we unlikely to find Earth-like planets around halo stars in the Galaxy?

• A)Planets around stars are known to be extremely rare.
• B)Halo stars formed in an environment where there were few heavy elements to create rocky planets.
• C)Any such planets would have been ejected long ago by galactic mergers.
• D)Halo stars do not have enough mass to hold onto planets.
• E)Halo stars formed in a different way from disk stars.

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Definitions:

Erikson

A developmental psychologist known for his theory on the psychosocial development of human beings, outlining eight stages from infancy to adulthood.

Old Age

A stage of life usually associated with retirement, slowing physical and mental faculties, and changes in social roles, typically considered to start at 65 years old.

Superego

In psychoanalytic theory, the part of a person's mind that acts as a self-critical conscience, reflecting social standards learned from parents and teachers.

Guilty Feelings

Relates to emotions of remorse or regret typically associated with the belief of having done something wrong.