An Astronomer Examining a Compact Object Could Conclude That It

question 61

Multiple Choice

An astronomer examining a compact object could conclude that it was a black hole if it _____.

• A) emits regular pulses of radiation
• B) has a defined event horizon that emits X-rays
• C) has an accretion disk
• D) has a mass greater than 1.4 solar masses
• E) has a mass greater than 3 solar masses

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Definitions:

Egocentrism

The inability to differentiate between oneself and other people, often referring to a young child's understanding of the world.

Secure Attachment

A form of attachment where individuals feel confident and are able to form trusting, lasting relationships.

Safe Haven

A place of refuge or security, often used metaphorically to describe supportive environments that offer protection from stress or anxiety.

Stranger Anxiety

A form of distress that young children experience when exposed to strangers, typically evident around 6 to 12 months of age.