The Two Stars near One Another Are Shown

question 188

Multiple Choice

The two stars near one another are shown. Positions of one member are shown relative to the other star at different times. From plots like this one, astronomers conclude that

• A) the stars are in an elliptical orbit around one another.
• B) the mass of the pair can be estimated.
• C) one star is passing by the other never to return.
• D) both the stars are in an elliptical orbit around one another.

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Definitions:

Expensive Toys

Refers to toys that are priced at a premium, often due to brand, technology, design complexity, or materials used, which can impact accessibility for all children.

Open Adoption

An adoption process where the biological and adoptive families have access to varying degrees of each other's personal information and have an option of contact.

Birth Mother

The biological mother of a child, as opposed to an adoptive mother or stepmother.

Direct Contact

The physical interaction between two or more individuals which can lead to the transmission of communicable diseases.