For a Pair of Stars to Be Classified as a Visual

question 226

Multiple Choice

For a pair of stars to be classified as a visual binary, which one of these conditions must be true?

• A) The stars must be orbiting around each other, and both stars must be visible through telescopes from Earth.
• B) The stars must be orbiting around each other, and absorption or emission lines from both stars must be visible in the spectrum.
• C) The stars must be orbiting around each other, and one must periodically cross in front of the other (i.e., it must eclipse the other) as seen from Earth.
• D) The stars must lie in almost the same direction from Earth but must not be orbiting around each other.

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Definitions:

Insecure Attachments

A type of attachment style where individuals have difficulty forming stable and trusting relationships, often due to early experiences.

Controlling Parents

Parents who exert excessive authority over their children's lives, often leading to limited autonomy and independence for the child.

Sensitive Parents

Caregivers who respond appropriately and promptly to their child's needs, showing an understanding and consideration of the child's emotional and physical states.

Securely Attached

A form of attachment where children show a strong and positive bond with their caregivers, feeling secure to explore their environment.